# Kaichi Uchida

Kaichi Uchida (内田 海智, Uchida Kaichi, born 23 August 1994) is a Japanese professional tennis player.
Uchida has a career high ATP singles ranking of No. 147 achieved on 8 May 2023. He also has a career high ATP doubles ranking of No. 159 achieved on 28 November 2022.

## Career
### 2021: Maiden Challenger title

He won his first career ATP Challenger Tour singles title in December 2021 in Rio de Janeiro, Brazil where he defeated Nicolás Álvarez Varona of Spain.

### 2022: ATP debut and first win

He made his ATP debut at the 2022 Los Cabos Open as a qualifier.
Having received a wildcard, he recorded his first ATP main-draw match win at the Korea Open defeating wildcard Hong Seong-chan.

### 2023: Top 150 debut

He reached the top 150 on 24 April 2023.

## National Representation
### Davis Cup

In March 2021, Uchida made his debut in the Davis Cup where he represented team Japan on grass courts against team Pakistan. He won the only match that he played, in singles, against Aisam Qureshi in straight sets 6–4, 7–6$^{(7–4)}$. He was meant to play an additional singles match but it became a dead rubber as the match's result wouldn't have changed the outcome of the tie.

## ATP Challenger Tour finals
### Singles: 2 (2 titles)

* Legend
* ATP Challenger Tour (2–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Dec 2021 | Rio de Janeiro, Brazil | Challenger | Hard | Nicolás Álvarez Varona | 3–6, 6–3, 7–6$^{(7–3)}$ |
| Win | 2–0 | Jun 2022 | Oeiras III, Portugal | Challenger | Clay | Kimmer Coppejans | 6–2, 6–4 |

### Doubles: 8 (3 titles, 5 runner-ups)

* Legend
* ATP Challenger Tour (3–5)
* Finals by surface
* Hard (2–3)
* Clay (1–2)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | May 2022 | Shymkent, Kazakhstan | Challenger | Clay | Sebastian Fanselow | Antoine Bellier Gabriel Décamps | 6–7$^{(3–7)}$, 3–6 |
| Loss | 0–2 | May 2022 | Shymkent II, Kazakhstan | Challenger | Clay | Mikael Torpegaard | Sanjar Fayziev Markos Kalovelonis | 7–6$^{(7–3)}$, 4–6, [4–10] |
| Loss | 0–3 | Jun 2022 | Orlando, USA | Challenger | Hard | Malek Jaziri | Chung Yun-seong Michail Pervolarakis | 7–6$^{(7–5)}$, 6–7$^{(3–7)}$, [14–16] |
| Win | 1–3 | Oct 2022 | Seoul, South Korea | Challenger | Hard | Wu Tung-lin | Chung Yun-seong Aleksandar Kovacevic | 6–7$^{(2–7)}$, 7–5, [11–9] |
| Win | 2–3 | Apr 2024 | Porto Alegre, Brazil | Challenger | Clay | Roberto Cid Subervi | Patrick Harper David Stevenson | 5–7, 7–6$^{(7–1)}$, [10–6] |
| Loss | 2–4 | Jul 2024 | Winnipeg, Canada | Challenger | Hard | Yuta Shimizu | Christian Harrison Cannon Kingsley | 1–6, 4–6 |
| Win | 3–4 | Aug 2024 | Zhangjiagang, China | Challenger | Hard | Takeru Yuzuki | Francis Alcantara Pruchya Isaro | 6–1, 7–5 |
| Loss | 3–5 | Nov 2024 | Kobe, Japan | Challenger | Hard (i) | Takeru Yuzuki | Vasil Kirkov Bart Stevens | 6–7$^{(7–9)}$, 5–7 |

## ITF Futures/World Tennis Tour finals
### Singles: 18 (12 titles, 6 runner-ups)

* Legend
* ITF Futures/WTT (12–6)
* Finals by surface
* Hard (6–2)
* Clay (6–4)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Aug 2014 | Korea F12, Ansung | Futures | Clay | Hong Chung | 6–4, 7–5 |
| Win | 2–0 | Jun 2015 | USA F17, Buffalo | Futures | Clay | Maximiliano Estévez | 6–4, 6–1 |
| Loss | 2–1 | May 2016 | Sweden F1, Karlskrona | Futures | Clay | Carl Söderlund | 1–6, 2–6 |
| Loss | 2–2 | May 2016 | Sweden F2, Båstad | Futures | Clay | Julien Cagnina | 4–6, 6–3, 2–6 |
| Win | 3–2 | Jun 2016 | USA F20, Rochester | Futures | Clay | Juan Manuel Benítez Chavarriaga | 6–4, 6–4 |
| Loss | 3–3 | Jul 2016 | USA F22, Pittsburgh | Futures | Clay | Rubin Statham | 3–6, 6–2, 2–6 |
| Loss | 3–4 | May 2017 | USA F16, Tampa | Futures | Clay | Facundo Mena | 4–6, 7–6$^{(7–4)}$, 0–6 |
| Win | 4–4 | Jul 2017 | USA F22, Pittsburgh | Futures | Clay | Nathan Pasha | 3–6, 7–6$^{(7–5)}$, 6–4 |
| Win | 5–4 | Sep 2017 | Canada F7, Toronto | Futures | Hard | Dennis Nevolo | 7–6$^{(8–6)}$, 3–6, 6–1 |
| Loss | 5–5 | Dec 2017 | USA F40, Tallahassee | Futures | Hard | Ryan Shane | 6–7$^{(3–7)}$, 1–6 |
| Loss | 5–6 | Dec 2020 | M15 Monastir, Tunisia | WTT | Hard | Skander Mansouri | 4–6, 6–7$^{(3–7)}$ |
| Win | 6–6 | Jan 2021 | M15 Monastir, Tunisia | WTT | Hard | Alexander Erler | 6–4, 6–2 |
| Win | 7–6 | Mar 2021 | M25 Vale do Lobo, Portugal | WTT | Hard | Sebastian Fanselow | 5–7, 7–6$^{(7–3)}$, 7–6$^{(7–5)}$ |
| Win | 8–6 | Oct 2021 | M25 Loulé, Portugal | WTT | Hard | Lucas Gerch | 6–4, 6–4 |
| Win | 9–6 | Apr 2024 | M15 Quillota, Chile | WTT | Clay | Ignacio António Becerra Otarola | 6–3, 6–4 |
| Win | 10–6 | May 2024 | M25 Trelew, Argentina | WTT | Hard | Matías Soto | 4–6, 6–1, 6–0 |
| Win | 11–6 | May 2024 | M15 Karuizawa, Japan | WTT | Clay | Sora Fukuda | 6–7$^{(4–7)}$, 7–5, 6–2 |
| Win | 12–6 | Jun 2024 | M25 Changwon, South Korea | WTT | Hard | Masamichi Imamura | 6–2, 5–7, 6–3 |

### Doubles: 17 (11 titles, 6 runner-ups)

* Legend
* ITF Futures/WTT (11–6)
* Finals by surface
* Hard (9–4)
* Clay (2–2)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Sep 2013 | Mexico F15, Quintana Roo | Futures | Hard | César Ramírez | Alex Llompart Finn Tearney | 7–6$^{(7–5)}$, 6–4 |
| Loss | 1–1 | Jul 2014 | Korea F8, Gimcheon | Futures | Hard | Yusuke Watanuki | Kim Yu-Seob Lim Hyung-Chan | 4–6, 2–6 |
| Win | 2–1 | Aug 2014 | Korea F10, Chuncheon | Futures | Hard | Yusuke Watanuki | Kim Jae Hwan Lee Jea Moon | 6–3, 6–2 |
| Win | 3–1 | Oct 2014 | Turkey F35, Antalya | Futures | Hard | Takashi Saito | Tuna Altuna Dimitar Kuzmanov | 7–5, 6–3 |
| Loss | 3–2 | Nov 2014 | Thailand F10, Bangkok | Futures | Hard | Jacob Grills | Pruchya Isaro Nuttanon Kadchapanan | 2–6, 1–6 |
| Win | 4–2 | Sep 2015 | Canada F10, Toronto | Futures | Hard | Marko Tepavac | Nathan Pasha Raymond Sarmiento | 2–6, 6–4, [10–8] |
| Loss | 4–3 | Sep 2015 | Canada F11, Markham | Futures | Hard | Marko Tepavac | Nathan Pasha Raymond Sarmiento | 6–7$^{(4–7)}$, 2–6 |
| Win | 5–3 | Nov 2015 | Colombia F9, Valledupar | Futures | Hard | Daniel Garza | Manuel Sánchez Federico Zeballos | 7–6$^{(7–3)}$, 5–7, [10–8] |
| Loss | 5–4 | Dec 2015 | Qatar F4, Doha | Futures | Hard | Luke Bambridge | Laurens Verboven Joris De Loore | 4–6, 6–3, [7–10] |
| Win | 6–4 | Jan 2016 | USA F4, Sunrise | Futures | Clay | Isak Arvidsson | Péter Nagy Denis Shapovalov | 6–4, 6–4 |
| Loss | 6–5 | Jan 2016 | USA F5, Weston | Futures | Clay | Isak Arvidsson | Junior Alexander Ore Hunter Reese | 6–7$^{(4–7)}$, 6–3, [8–10] |
| Win | 7–5 | Mar 2016 | Canada F1, Gatineau | Futures | Hard | Stefan Kozlov | Adrian Sikora Sebastian Fanselow | 7–6$^{(7–5)}$, 6–3 |
| Win | 8–5 | Jun 2016 | USA F19, Buffalo | Futures | Clay | Hans Hach | Farris Fathi Gosea Tim Kopinski | 6–2, 6–3 |
| Loss | 8–6 | Jun 2016 | USA F20, Rochester | Futures | Clay | Damon Gooch | Hans Hach Gavin Van Peperzeel | 6–7$^{(5–7)}$, 2–6 |
| Win | 9–6 | May 2017 | China F7, Wuhan | Futures | Hard | Shintaro Imai | Xin Gao Zhe Li | 4–6, 6–4, [10–8] |
| Win | 10–6 | Jun 2017 | China F9, Lu'an | Futures | Hard | Harry Bourchier | Lo Chien Hsun Sheng Hau Zhou | 6–3, 7–5 |
| Win | 11–6 | Sep 2017 | Canada F5, Calgary | Futures | Hard | Roberto Cid Subervi | Henry Craig Deiton Baughman | 3–6, 6–3, [10–8] |