| ITF M15 Monastir | 12/27 08:00 | 28 | Kaichi Uchida v Benjamin Pietri | 6-1,7-6 | |
| ITF M15 Monastir | 12/25 10:40 | 27 | Kaichi Uchida v Nathan Seateun | 2-6,7-5,6-4 | |
| ITF M15 Monastir | 12/24 10:20 | 26 | Kaichi Uchida v Petros Tsitsipas | 6-3,6-2 | |
| ITF M15 Monastir | 12/23 08:30 | 25 | Kaichi Uchida v Alexander Kotzen | 7-6,6-1 | |
| Challenger Campinas | 11/29 15:00 | - |
[328] Kaichi Uchida v
Camilo Ugo Carabelli
[388] 
|
3-6,2-6 | |
| Challenger Campinas | 11/28 14:00 | 64 | [328] Kaichi Uchida v Diego Hidalgo [383] | 3-6,6-2,6-3 | |
| Challenger Sao Paulo | 11/24 13:00 | 25 | Matheus P De Almeida v Kaichi Uchida | 6-2,5-7,6-3 | |
| Challenger Indian Wells | 03/02 20:50 | 24 | [308] Kaichi Uchida v Jack Sock [126] | 1-6,7-5,2-6 | |
| Challenger Columbus | 02/28 16:00 | 27 |
[172] Jurij Rodionov
v
Kaichi Uchida [326] |
7-6,7-6 | |
| Challenger Columbus | 02/27 15:00 | 26 | [490] Strong Kirchheimer v Kaichi Uchida [326] | 4-6,6-1,6-7 | |
| Challenger Columbus | 02/25 19:35 | 25 | [326] Kaichi Uchida v Dudi Sela [192] | Retired | |
| Challenger Columbus | 02/24 21:20 | 24 | [326] Kaichi Uchida v Evan Song [484] | 6-3,3-6,7-6 | |
| Challenger Drummondville | 02/16 21:25 | 24 | [311] Kaichi Uchida v Patrik Niklas-Salminen [466] | 1-6,7-6,5-7 | |
| 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 |
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.