# Mark Wallner

Mark Wallner (born 20 July 1999) is a German tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 71, achieved on 10 February 2025.

## Career

Wallner played college tennis at Temple University before transferring to Tennessee.

### 2024: ATP debut

He made his ATP main draw debut at the BMW Open in Munich, where he partnered with Jakob Schnaitter in the doubles tournament.
He also entered directly into the main draw in Hamburg with Jakob Schnaitter.

## Doubles performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
Current through the 2025 Chile Open.
| Tournament | 2024 | 2025 | SR | W–L |
| Grand Slam tournaments |||||
| Australian Open | A | 2R | 0 / 1 | 1–1 |
| French Open | A | | 0 / 0 | 0–0 |
| Wimbledon | A | | 0 / 0 | 0–0 |
| US Open | A | | 0 / 0 | 0–0 |
| Win–loss | 0–0 | 1–1 | 0 / 1 | 1–1 |
| Career statistics |||||
| Tournaments | 5 | 5 | 10 | 10 |
| Overall win–loss | 4–5 | 2–5 | 6–10 | 6–10 |
| Year-end ranking | 81 | | | |

## ATP Challenger finals
### Doubles: 12 (5 titles, 7 runner-ups)

* Finals by surface
* Hard (1–2)
* Clay (4–5)
| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jan 2024 | Buenos Aires, Argentina | Clay | Jakob Schnaitter | João Fonseca Pedro Sakamoto | 2–6, 2–6 |
| Loss | 0–2 | Feb 2024 | Koblenz, Germany | Hard (i) | Jakob Schnaitter | Sander Arends Sem Verbeek | 4–6, 2–6 |
| Loss | 0–3 | Mar 2024 | New Delhi, India | Hard | Jakob Schnaitter | Piotr Matuszewski Matthew Romios | 4–6, 4–6 |
| Loss | 0–4 | Apr 2024 | Barcelona, Spain | Clay | Jakob Schnaitter | Daniel Rincón Oriol Roca Batalla | 7–5, 4–6, [9–11] |
| Loss | 0–5 | Apr 2024 | Ostrava, Czech Republic | Clay | Jakob Schnaitter | Jaime Faria Henrique Rocha | 5–7, 3–6 |
| Win | 1–5 | May 2024 | Prague, Czech Republic | Clay | Jakob Schnaitter | Jiří Barnat Jan Hrazdil | 6–3, 6–1 |
| Win | 2–5 | May 2024 | Augsburg, Germany | Clay | Jakob Schnaitter | David Pichler Michael Vrbenský | 3–6, 6–2, [10–8] |
| Loss | 2–6 | Jun 2024 | Heilbronn, Germany | Clay | Jakob Schnaitter | Romain Arneodo Geoffrey Blancaneaux | 6–7$^{(5–7)}$, 7–5, [3–10] |
| Win | 3–6 | Jun 2024 | Bratislava, Slovakia | Clay | Jakob Schnaitter | Miloš Karol Tomáš Láník | 6–4, 6–4 |
| Loss | 3–7 | Jun 2024 | Poznań, Poland | Clay | Jakob Schnaitter | Orlando Luz Marcelo Zormann | 7–5, 2–6, [6–10] |
| Win | 4–7 | Jul 2024 | Karlsruhe, Germany | Clay | Jakob Schnaitter | Dan Added Grégoire Jacq | 6–4, 6–0 |
| Win | 5–7 | Feb 2025 | Pau, France | Hard (i) | Jakob Schnaitter | Alexander Blockx Raphaël Collignon | 6–4, 6–7$^{(5–7)}$, [10–8] |

## ITF World Tennis Tour finals
### Doubles: 11 (7–4)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Apr 2023 | M15 Monastir, Tunisia | Hard | Luca Wiedenmann | Constantin Bittoun Kouzmine Axel Garcian | 2–6, 1–6 |
| Win | 1–1 | Apr 2023 | M15 Monastir, Tunisia | Hard | Jakob Schnaitter | Kokoro Isomura Yamato Sueoka | 6–3, 6–2 |
| Win | 2–1 | Jul 2023 | M25 Telfs, Austria | Clay | Jakob Schnaitter | Miloš Karol Sandro Kopp | 6–4, 6–7$^{(7–9)}$, [10–5] |
| Win | 3–1 | Jul 2023 | M25 Bolzano, Italy | Clay | Jeremy Jahn | Alex Barrena Juan Bautista Otegui | 7–6$^{(13–11)}$, 6–0 |
| Loss | 3–2 | Aug 2023 | M15 Frankfurt, Germany | Clay | Jakob Schnaitter | Johannes Härteis Niklas Schell | 6–3, 6–7$^{(1–7)}$, [8–10] |
| Loss | 3–3 | Aug 2023 | M15 Überlingen, Germany | Clay | Jakob Schnaitter | Taym Al Azmeh Hazem Naw | 5–7, 6–3, [7–10] |
| Win | 4–3 | Sep 2023 | M25 Bagnères-de-Bigorre, France | Hard | Patrick Harper | Robin Bertrand Millen Hurrion | 3–6, 6–3, [10–7] |
| Win | 5–3 | Sep 2023 | M25 Plaisir, France | Hard (i) | Patrick Harper | Jack Vance Tennyson Whiting | 6–4, 7–6$^{(7–3)}$ |
| Win | 6–3 | Oct 2023 | M25 Nevers, France | Hard (i) | Jakob Schnaitter | Jakub Paul Yannik Steinegger | 6–3, 6–4 |
| Win | 7–3 | Oct 2023 | M25 Sarreguemines, France | Carpet (i) | Jakob Schnaitter | Jannik Opitz Patrick Zahraj | 6–3, 5–7, [10–8] |
| Loss | 7–4 | Nov 2023 | M25 Monastir, Tunisia | Hard | Jakob Schnaitter | Daniel Masur Julian Ocleppo | 6–0, 5–7, [3–10] |