# Nathaniel Lammons

Nathaniel Lammons (born August 12, 1993) is an American professional tennis player who specializes in doubles. He has a career-high ATP ranking of world No. 17 in doubles, achieved on 27 January 2025. He has won 10 ATP doubles titles.
A former player at Southern Methodist University, Lammons turned professional in 2016. Lammons sealed his top 100 doubles debut in July 2019, a year in which he won four doubles titles from seven doubles finals reached as he broke through on the ATP Challenger Tour. In 2022, he won his first two career ATP Tour doubles titles in San Diego and Seoul, earning him his top 50 debut. Together with partner Jackson Withrow in 2023, Lammons reached his first ATP 500 final in Acapulco and his first ATP Masters 1000 semifinal in Miami. In 2024, he made his first Grand Slam semifinal at the 2024 US Open with Withrow and reached the top 20.

## Professional career
### 2021–22: New partnership with Withrow, win over World No. 1 team, Two titles, top 50

At the 2021 US Open partnering Jackson Withrow they defeated top pair Nikola Mektić and Mate Pavić in the first round in 75 minutes.
He reached his maiden final at the 2022 Chile Open with André Göransson.
At the 2022 San Diego Open he won his first ATP title with Withrow defeating Jason Kubler and Luke Saville. The pair moved up 25 places to 35th in the doubles race. He made his top 60 debut in the rankings at world No. 55 on 26 September 2022. At the Korea Open he partnered Raven Klaasen to win his second title in two weeks defeating Nicolás Barrientos and Miguel Ángel Reyes-Varela in straight sets. He moved another 7 positions up to reach the top 50 in the doubles rankings at world No. 48 on 3 October 2022.
The pair Lammons/Withrow ended the season at No. 32 in the ATP doubles rankings.

### 2023–24: Eight titles, Major & Masters semifinals, top 20

In the beginning of 2023 with Withrow, Lammons reached three finals in Auckland, in Dallas and at the ATP 500 Mexican Open in Acapulco. The pair won the Challenger title at the 2023 Arizona Tennis Classic. At the 2023 Miami Open they reached the semifinals of a Masters for the first time but lost to eventual champions Santiago González and Édouard Roger-Vasselin. He made his debut in the top 30 on 8 May 2023.
During the American summer swing, in the span of two months Lammons and Withrow won three titles at the 2023 Atlanta Open, the 2023 Hall of Fame Open and the 2023 Winston-Salem Open.
The pair reached their eight final of the season and second at the ATP 500 level at the 2023 Erste Bank Open in Vienna. At the last Masters of the season in Paris the pair reached the quarterfinals defeating sixth seeds Máximo González and Andrés Molteni.
Lammons and Withrow won their sixth title as a pair at the 2024 Libéma Open defeating top seeds Wesley Koolhof and Nikola Mektić.
They successfully defended their Atlanta Open title in its last edition making them the last champions at the tournament. The pair captured their first ATP 500 title at the 2024 Mubadala Citi DC Open in Washington D.C. They also successfully defended their Winston-Salem Open title, making it the fourth team title for the season.
At the 2024 US Open, Lammons reached the semifinals of a Grand Slam for the first time in his career, partnering Withrow, with wins over three-time defending champions Joe Salisbury and Rajeev Ram and 13th seeds Wesley Koolhof and Nikola Mektić. They lost to eventual champions Max Purcell and Jordan Thompson in straight sets. As a result he reached the top 20 on 9 September 2024. At the 2024 Shanghai Masters, they reached the quarterfinals but lost to Wesley Koolhof and Nikola Mektić which halted their attempt to move one position up above their opponents in the ATP doubles race from their current place of No. 9.

## ATP Tour finals
### Doubles: 17 (10 titles, 7 runner-ups)

* Legend
* Grand Slam tournaments (0–0)
* ATP Tour Finals (0–0)
* ATP Tour Masters 1000 (0–0)
* ATP Tour 500 Series (1–2)
* ATP Tour 250 Series (9–5)
* Finals by surface
* Hard (8–6)
* Clay (0–1)
* Grass (2–0)
* Finals by setting
* Outdoors (9–4)
* Indoors (1–3)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Feb 2022 | Chile Open, Chile | 250 Series | Clay | André Göransson | Felipe Meligeni Alves Rafael Matos | 6–7$^{(8–10)}$, 6–7$^{(3–7)}$ |
| Win | 1–1 | Sep 2022 | San Diego Open, United States | 250 Series | Hard | Jackson Withrow | Jason Kubler Luke Saville | 7–6$^{(7–5)}$, 6–2 |
| Win | 2–1 | Oct 2022 | Korea Open, South Korea | 250 Series | Hard | Raven Klaasen | Nicolás Barrientos Miguel Ángel Reyes-Varela | 6–1, 7–5 |
| Loss | 2–2 | Oct 2022 | Gijón Open, Spain | 250 Series | Hard (i) | Jackson Withrow | Máximo González Andrés Molteni | 7–6$^{(8–6)}$, 6–7$^{(4–7)}$, [5–10] |
| Loss | 2–3 | Jan 2023 | Auckland Open, New Zealand | 250 Series | Hard | Jackson Withrow | Nikola Mektić Mate Pavić | 4–6, 7–6$^{(7–5)}$, [6–10] |
| Loss | 2–4 | Feb 2023 | Dallas Open, United States | 250 Series | Hard (i) | Jackson Withrow | Jamie Murray Michael Venus | 6–1, 6–7$^{(4–7)}$, [7–10] |
| Loss | 2–5 | Mar 2023 | Mexican Open, Mexico | 500 Series | Hard | Jackson Withrow | Alexander Erler Lucas Miedler | 6–7$^{(9–11)}$, 6–7$^{(3–7)}$ |
| Win | 3–5 | Jul 2023 | Hall of Fame Open, United States | 250 Series | Grass | Jackson Withrow | William Blumberg Max Purcell | 6–3, 5–7, [10–5] |
| Win | 4–5 | Jul 2023 | Atlanta Open, United States | 250 Series | Hard | Jackson Withrow | Max Purcell Jordan Thompson | 7–6$^{(7–3)}$, 7–6$^{(7–4)}$ |
| Win | 5–5 | Aug 2023 | Winston-Salem Open, United States | 250 Series | Hard | Jackson Withrow | Lloyd Glasspool Neal Skupski | 6–3, 6–4 |
| Loss | 5–6 | Sep 2023 | Zhuhai Championships, China | 250 Series | Hard | Jackson Withrow | Jamie Murray Michael Venus | 4–6, 4–6 |
| Win | 6–6 | Sep 2023 | Astana Open, Kazakhstan | 250 Series | Hard (i) | Jackson Withrow | Mate Pavić John Peers | 7–6$^{(7–4)}$, 7–6$^{(9–7)}$ |
| Loss | 6–7 | Oct 2023 | Vienna Open, Austria | 500 Series | Hard (i) | Jackson Withrow | Rajeev Ram Joe Salisbury | 4–6, 7–5, [10–12] |
| Win | 7–7 | Jun 2024 | Rosmalen Grass Court Championships, Netherlands | 250 Series | Grass | Jackson Withrow | Wesley Koolhof Nikola Mektić | 7–6$^{(7–5)}$, 7–6$^{(7–3)}$ |
| Win | 8–7 | Jul 2024 | Atlanta Open, United States (2) | 250 Series | Hard | Jackson Withrow | André Göransson Sem Verbeek | 4–6, 6–4, [12–10] |
| Win | 9–7 | Aug 2024 | Washington Open, United States | 500 Series | Hard | Jackson Withrow | Rafael Matos Marcelo Melo | 7–5, 6–3 |
| Win | 10–7 | Aug 2024 | Winston-Salem Open, United States (2) | 250 Series | Hard | Jackson Withrow | Julian Cash Robert Galloway | 6–4, 6–3 |

## Performance Timeline
### Doubles

| Tournament | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win % |
| Grand Slam tournaments |||||||||||
| Australian Open | A | A | A | A | 2R | 1R | 3R | 0 / 3 | 2–3 | 40% |
| French Open | A | A | A | A | 1R | 1R | 1R | 0 / 3 | 0–3 | 0% |
| Wimbledon | A | A | NH | 1R | 1R | QF | 3R | 0 / 4 | 5–4 | 56% |
| US Open | 2R | 1R | 1R | 2R | 2R | QF | SF | 0 / 7 | 10–7 | 59% |
| Win–loss | 1–1 | 0–1 | 0–1 | 1–2 | 2–4 | 6–4 | 8–4 | 0 / 17 | 17–17 | 50% |
| ATP Tour Masters 1000 |||||||||||
| Indian Wells Open | A | A | NH | A | A | 1R | QF | 0 / 2 | 2–2 | 50% |
| Miami Open | A | A | NH | A | A | SF | 2R | 0 / 2 | 4–2 | 67% |
| Monte-Carlo Masters | A | A | NH | A | A | A | 2R | 0 / 1 | 1–1 | 50% |
| Madrid Open | A | A | NH | A | A | 2R | QF | 0 / 2 | 3–2 | 60% |
| Italian Open | A | A | A | A | A | 1R | 1R | 0 / 2 | 0–2 | 0% |
| Canadian Open | A | A | NH | A | A | 2R | 1R | 0 / 2 | 1–2 | 33% |
| Cincinnati Open | A | A | A | A | A | 1R | 1R | 0 / 2 | 0–2 | 0% |
| Shanghai Masters | A | A | NH | NH | NH | 1R | QF | 0 / 2 | 2–2 | 50% |
| Paris Masters | A | A | A | A | A | QF | 1R | 0 / 2 | 2–2 | 50% |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 7–8 | 9–9 | 0 / 17 | 15–17 | 47% |

## ATP Challenger and ITF Tour finals
### Doubles: 45 (25–20)

* Legend
* ATP Challenger Tour (16–10)
* ITF Futures Tour (9–10)
* Finals by surface
* Hard (18–14)
* Clay (7–6)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Jun 2016 | USA F21, Tulsa | Futures | Hard | Dane Webb | Rikus de Villiers Clay Thompson | 7–5, 4–6, [12–10] |
| Loss | 1–1 | Sep 2016 | Israel F11, Herzliya | Futures | Hard | Dane Webb | Connor Smith Danny Thomas | 3–6, 4–6 |
| Loss | 1–2 | Sep 2016 | Israel F12, Ashkelon | Futures | Hard | Dane Webb | Connor Smith Danny Thomas | 0–6, 6–7$^{(3–7)}$ |
| Loss | 1–3 | Sep 2016 | Israel F13, Kiryat Gat | Futures | Hard | Dane Webb | Dekel Bar Scott Clayton | 4–6, 7–5, [5–10] |
| Win | 2–3 | Dec 2016 | USA F40, Tallahassee | Futures | Hard (i) | Robert Galloway | Aziz Dougaz Guy Orly Iradukunda | 6–4, 5–7, [10–8] |
| Loss | 2–4 | May 2017 | Mexico F2, Villahermosa | Futures | Hard (i) | Farris Fathi Gosea | Kevin King Nicolaas Scholtz | 6–7$^{(4–7)}$, 6–7$^{(4–7)}$ |
| Win | 3–4 | May 2017 | Mexico F3, Córdoba | Futures | Hard | Farris Fathi Gosea | Hunter Callahan Bernardo Saraiva | 6–4, 6–7$^{(5–7)}$, [10–8] |
| Win | 4–4 | Jun 2017 | Zimbabwe F1, Harare | Futures | Hard | Benjamin Lock | Mark Fynn Nicolaas Scholtz | 6–2, 6–3 |
| Loss | 4–5 | Jun 2017 | Zimbabwe F2, Harare | Futures | Hard | Benjamin Lock | Mark Fynn Nicolaas Scholtz | 6–3, 1–6, [7–10] |
| Win | 5–5 | Jul 2017 | Zimbabwe F3, Harare | Futures | Hard | Benjamin Lock | Baptiste Crepatte Thomas Setodji | 7–6$^{(7–4)}$, 6–2 |
| Loss | 5–6 | Jul 2017 | Egypt F19, Sharm El Sheikh | Futures | Hard | Benjamin Lock | Marat Deviatiarov Tomáš Papik | 4–6, 6–1, [5–10] |
| Loss | 5–7 | Jul 2017 | Egypt F20, Sharm El Sheikh | Futures | Hard | Bernardo Saraiva | Julian Ocleppo Andrea Vavassori | 6–2, 3–6, [8–10] |
| Win | 6–7 | Aug 2017 | USA F26, Decatur | Futures | Hard | Alexandru Gozun | Edward Bourchier Harry Bourchier | 6–2, 7–6$^{(7–2)}$ |
| Win | 7–7 | Sep 2017 | France F20, Plaisir | Futures | Hard (i) | Alex Lawson | Antoine Hoang Grégoire Jacq | 4–6, 7–6$^{(9–7)}$, [10–4] |
| Loss | 7–8 | Oct 2017 | France F22, Nevers | Futures | Hard (i) | Alex Lawson | Benjamin Bonzi Antoine Hoang | 6–7$^{(5–7)}$, 4–6 |
| Loss | 7–9 | Oct 2017 | France F23, Saint-Dizier | Futures | Hard (i) | Alex Lawson | Jonathan Kanar Mick Lescure | 6–0, 4–6, [9–11] |
| Win | 8–9 | Oct 2017 | France F24, Rodez | Futures | Hard (i) | Alex Lawson | Antoine Hoang Ugo Humbert | 7–6$^{(7–4)}$, 4–6, [10–7] |
| Loss | 8–10 | Dec 2017 | USA F39, Waco | Futures | Hard (i) | Alex Lawson | Julian Lenz Roberto Maytín | 6–7$^{(5–7)}$, 6–1, [12–14] |
| Win | 9–10 | Dec 2017 | USA F40, Tallahassee | Futures | Hard (i) | Alex Lawson | Jose E Gracia Lucas Poullain | 6–3, 6–0 |
| Win | 10–10 | Jul 2018 | Scheveningen, Netherlands | Challenger | Clay | Ruben Gonzales | Luis David Martínez Gonçalo Oliveira | 6–3, 6–7$^{(8–10)}$, [10–5] |
| Loss | 10–11 | Aug 2018 | Sopot, Poland | Challenger | Clay | Ruben Gonzales | Mateusz Kowalczyk Szymon Walków | 6–7$^{(6–8)}$, 3–6 |
| Loss | 10–12 | Jan 2019 | Columbus, USA | Challenger | Hard (i) | Robert Galloway | Maxime Cressy Bernardo Saraiva | 5–7, 6–7$^{(3–7)}$ |
| Win | 11–12 | Jan 2019 | Newport Beach, USA | Challenger | Hard | Robert Galloway | Romain Arneodo Andrei Vasilevski | 7–5, 7–6$^{(7–1)}$ |
| Loss | 11–13 | Feb 2019 | Cleveland, USA | Challenger | Hard | Robert Galloway | Romain Arneodo Andrei Vasilevski | 4–6, 6–7$^{(4–7)}$ |
| Win | 12–13 | Feb 2019 | Cherbourg, France | Challenger | Hard (i) | Robert Galloway | Raúl Brancaccio Javier Barranco Cosano | 4–6, 7–6$^{(7–4)}$, [10–8] |
| Win | 13–13 | Jul 2019 | Ludwigshafen, Germany | Challenger | Clay | Fernando Romboli | Pedro Sousa João Domingues | 7–6$^{(7–4)}$, 6–1 |
| Loss | 13–14 | Jul 2019 | Braunschweig, Germany | Challenger | Clay | Antonio Šančić | Guillermo Durán Simone Bolelli | 3–6, 2–6 |
| Win | 14–14 | Sep 2019 | New Haven, USA | Challenger | Hard | Robert Galloway | Sander Gillé Joran Vliegen | 7–5, 6–4 |
| Win | 15–14 | Feb 2020 | Cleveland, USA | Challenger | Hard | Treat Huey | Luke Saville John-Patrick Smith | 7–5, 6–2 |
| Win | 16–14 | Mar 2020 | Columbus, USA | Challenger | Hard | Treat Huey | Lloyd Glasspool Alex Lawson | 7–6$^{(7–3)}$, 7–6$^{(7–4)}$ |
| Loss | 16–15 | Sep 2020 | Iași, Romania | Challenger | Clay | Treat Huey | Rafael Matos João Menezes | 2–6, 2–6 |
| Win | 17-15 | Oct 2020 | Split, Croatia | Challenger | Clay | Treat Huey | André Göransson Hunter Reese | 6–4, 7–6$^{(7–3)}$ |
| Loss | 17-16 | Oct 2020 | Istanbul, Turkey | Challenger | Hard | Robert Galloway | Ariel Behar Gonzalo Escobar | 6–4, 3–6, [7–10] |
| Loss | 17-17 | Nov 2020 | Cary, United States | Challenger | Hard | Luke Bambridge | Teymuraz Gabashvili Dennis Novikov | 5–7, 6–4, [8–10] |
| Win | 18-17 | Mar 2021 | Nur-Sultan, Kazakhstan | Challenger | Hard (i) | Jackson Withrow | Nathan Pasha Max Schnur | 6-4, 6-2 |
| Win | 19-17 | May 2021 | Biella, Italy | Challenger | Clay | André Göransson | Rafael Matos Felipe Meligeni Alves | 7–6$^{(7–3)}$, 6–3 |
| Win | 20–17 | May 2021 | Heilbronn, Germany | Challenger | Clay | Jackson Withrow | André Göransson Sem Verbeek | 6–7$^{(4–7)}$, 6–4, [10–8] |
| Loss | 20-18 | Sep 2021 | Szczecin, Poland | Challenger | Clay | André Göransson | Santiago González Andrés Molteni | 6–2, 2–6, [13–15] |
| Win | 21–18 | Nov 2021 | Champaign, USA | Challenger | Hard (i) | Jackson Withrow | Treat Huey Max Schnur | 6–4, 3–6, [10–6] |
| Loss | 21-19 | Apr 2022 | Sarasota, USA | Challenger | Clay | André Göransson | Robert Galloway Jackson Withrow | 3–6, 6–7$^{(3–7)}$ |
| Win | 22–19 | Apr 2022 | Split, Croatia | Challenger | Clay | Albano Olivetti | Sadio Doumbia Fabien Reboul | 4–6, 7–6$^{(8–6)}$, [10–7] |
| Win | 23–19 | Jul 2022 | Salzburg, Austria | Challenger | Clay | Jackson Withrow | Alexander Erler Lucas Miedler | 7–5, 5–7, [11–9] |
| Win | 24–19 | Sep 2022 | Cary, USA | Challenger | Hard | Jackson Withrow | Treat Huey John-Patrick Smith | 7–5, 2–6, [10–5] |
| Win | 25–19 | Mar 2023 | Phoenix, USA | Challenger | Hard | Jackson Withrow | Hugo Nys Jan Zieliński | 6–7$^{(1–7)}$, 6–4, [10–8] |
| Loss | 25-20 | May 2023 | Turin, Italy | Challenger | Clay | John Peers | Andrey Golubev Denys Molchanov | 6–7$^{(4–7)}$, 7–6$^{(8–6)}$, [5–10] |