| Challenger – Dallas | 02/03 21:00 | 24 | [260] Maxime Cressy v Kaichi Uchida [311] | 7-6,6-4 | |
| Challenger Newport Beach | 01/27 19:55 | 24 | [262] JC Aragone v Kaichi Uchida [285] | 6-1,6-3 | |
| Challenger Bangkok 2 | 01/21 04:05 | 25 | [285] Kaichi Uchida v Federico Gaio [151] | 6-3,6-7,5-7 | |
| Challenger Bangkok 2 | 01/20 03:00 | 24 | Kasidit Samrej v Kaichi Uchida | 4-6,3-6 | |
| Challenger – Bangkok | 01/12 06:05 | 24 | [283] Kaichi Uchida v Lukas Klein [298] | 1-6,6-3,1-6 | |
| Challenger Ann Arbor | 01/07 17:55 | 25 | [462] Lucas Gerch v Kaichi Uchida [283] | 7-6,7-5 | |
| Challenger - Champaign | 11/12 20:40 | 25 | [282] Kaichi Uchida v Lloyd Glasspool [434] | 5-7,6-7 | |
| Challenger - Knoxville | 11/04 16:30 | 24 | Aleksandar Kovacevic v Kaichi Uchida | 7-5,7-5 | |
| Challenger Shenzhen 2 | 10/28 05:10 | 24 | [283] Kaichi Uchida v Duckhee Lee [257] | 5-7,1-6 | |
| Challenger Liuzhou | 10/22 02:00 | 24 | [262] Ji Sung Nam v Kaichi Uchida [284] | 6-3,7-6 | |
| Challenger Ningbo | 10/16 05:10 | 25 | [137] Tatsuma Ito v Kaichi Uchida [292] | 3-6,6-3,6-4 | |
| Challenger Ningbo | 10/15 02:00 | 24 | [292] Kaichi Uchida v Fabien Reboul [182] | 2-6,7-5,6-3 | |
| Challenger Nur-Sultan 2 | 10/02 07:20 | 25 | [286] Kaichi Uchida v Ilya Ivashka [132] | 1-6,4-6 | |
| Challenger Nur-Sultan 2 | 09/30 05:00 | 24 | Andrei Iakovlev v Kaichi Uchida | 0-6,2-6 | |
| ITF M25 Stockholm | 09/26 12:00 | 26 | Jan Zielinski v Kaichi Uchida | 6-3,6-4 | |
| ITF M25 Stockholm | 09/25 12:45 | 25 | Karl Friberg v Kaichi Uchida | 4-6,4-6 | |
| Challenger Kaohsiung | 09/17 12:35 | 25 | [256] Hiroki Moriya v Kaichi Uchida [284] | 6-4,6-2 | |
| 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 | |
| USA lahtised meistrivõistlused | 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 |
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.
Uchida has won two Challengers and reached 14 ITF Futures singles finals, where he won the title on 8 occasions. Additionally, he has won one Challenger title and reached 17 ITF Futures doubles finals, and won the title 11 times.
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.