| Challenger Kaohsiung | 09/16 04:20 | 24 | [291] James Ward v Kaichi Uchida [265] | 4-6,6-0,4-6 | |
| Challenger Shanghai | 09/12 07:00 | 26 | [265] Kaichi Uchida v Yuichi Sugita [141] | 6-7,3-6 | |
| Challenger Shanghai | 09/11 04:15 | 25 | [265] Kaichi Uchida v Yusuke Takahashi [470] | 4-6,7-6,6-0 | |
| Challenger Jinan | 09/03 03:15 | 25 | [220] Enrique Lopez-Perez v Kaichi Uchida [259] | 7-6,6-3 | |
| Challenger Jinan | 09/02 02:00 | 24 | [263] Yunseong Chung v Kaichi Uchida [259] | 2-6,4-6 | |
| Challenger Baotou | 08/29 04:00 | 26 | [259] Kaichi Uchida v Sasi Kumar Mukund [285] | 6-7,2-6 | |
| Challenger Baotou | 08/28 09:45 | 25 | Kaichi Uchida v Chuhan Wang | 6-2,7-6 | |
| US Open | 08/19 15:00 | 44 |
[393] Jenson Brooksby
v
Kaichi Uchida [256] |
6-3,6-2 | |
| Challenger Lexington | 07/31 17:15 | 25 | [243] Kaichi Uchida v Lloyd Glasspool [332] | 4-6,3-6 | |
| Challenger Granby | 07/24 18:40 | 25 | [288] Ernesto Escobedo v Kaichi Uchida [240] | 7-5,6-3 | |
| Challenger Gatineau | 07/17 21:15 | 25 | [143] Peter Polansky v Kaichi Uchida [243] | 5-7,6-2,6-1 | |
| Challenger Gatineau | 07/15 19:35 | 24 | [243] Kaichi Uchida v Roy Smith [314] | 6-3,6-4 | |
| Challenger Winnipeg | 07/10 20:00 | 25 | Kaichi Uchida v Justin Boulais | 6-3,3-6,3-6 | |
| Challenger Recanati | 07/01 14:35 | 24 |
[385] Illya Marchenko
v
Kaichi Uchida [237] |
2-6,7-6,6-4 | |
| Wimbledon | 06/24 10:00 | 44 | [103] Antoine Hoang v Kaichi Uchida [239] | 7-6,6-4 | |
| Challenger Blois | 06/19 10:25 | 25 | Daniel Dutra Da Silva v Kaichi Uchida | 6-4,6-4 | |
| Challenger Shymkent 2 | 06/13 08:40 | 26 | [245] Kaichi Uchida v Lorenzo Giustino [144] | 3-6,2-6 | |
| Challenger Shymkent 2 | 06/11 09:55 | 25 |
[245] Kaichi Uchida v
Alexandre Muller
[288] 
|
6-4,7-5 | |
| French Open | 05/21 09:20 | 44 | [251] Kaichi Uchida v Mirza Basic [192] | 6-7,3-6 | |
| ATP Geneva | 05/19 10:30 | 164 | [244] Kaichi Uchida v Bernabe Zapata Miralles [232] | 1-6,1-6 | |
| ATP Geneva | 05/18 11:20 | 64 | [70] Ricardas Berankis v Kaichi Uchida [244] | 4-6,4-6 | |
| Challenger Gwangju | 05/14 04:40 | 25 |
[244] Kaichi Uchida v
Tung-Lin Wu
[287] 
|
1-6,4-6 | |
| Challenger Busan | 05/09 03:00 | 26 | [204] Go Soeda v Kaichi Uchida [245] | 6-4,6-3 | |
| Challenger Busan | 05/08 03:00 | 25 | [245] Kaichi Uchida v Sergiy Stakhovsky [114] | 7-6,6-3 | |
| Challenger Busan | 05/06 06:10 | 24 |
Seong-Chen Hong
v
Kaichi Uchida |
2-6,5-7 | |
| Challenger Seoul | 04/29 02:00 | 24 |
[243] Kaichi Uchida v
Tung-Lin Wu
[315]
|
6-4,1-6,4-6 | |
| Challenger Nanchang | 04/25 05:50 | 26 |
[151] Ramkumar Ramanathan
v
Kaichi Uchida [243] |
6-2,6-3 | |
| Challenger Nanchang | 04/24 07:30 | 25 | [378] Teymuraz Gabashvili v Kaichi Uchida [243] | 4-6,6-2,3-6 | |
| Challenger Anning | 04/15 06:35 | 24 | [243] Kaichi Uchida v Tsung-Hua Yang [273] | 7-6,3-6,1-6 | |
| Challenger Taipei | 04/11 03:00 | 26 | [156] Dennis Novak v Kaichi Uchida [252] | 6-3,6-7,6-4 |
Wikipedia - 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.
History
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.