| Challenger Sassuolo | 06/15 15:30 | 14 | Lorenzo Bocchi v Kaichi Uchida | 6-3,6-3 | |
| Challenger Sassuolo | 06/15 14:30 | 14 |
Zsombor Piros
v
Kaichi Uchida |
Cancelled | |
| Challenger Lyon | 06/08 09:20 | 14 |
[473] Kilian Feldbausch
v
Kaichi Uchida [444] |
6-1,6-2 | |
| ITF M25 Cordoba | 06/04 12:59 | - | [444] Kaichi Uchida v David Jorda Sanchis [495] | 6-7,4-6 | |
| Challenger Chisinau | 05/30 08:00 | 27 | [444] Kaichi Uchida v Giles Hussey [434] | 4-6,6-7 | |
| Challenger Chisinau | 05/29 12:25 | 26 |
[275] Denis Yevseyev
v
Kaichi Uchida [444] |
6-7,6-7 | |
| Challenger Chisinau | 05/28 11:20 | 25 |
[314] Charles Broom
v
Kaichi Uchida [444] |
6-7,7-6,6-7 | |
| Challenger Tbilisi | 05/20 10:00 | 25 | [382] Florent Bax v Kaichi Uchida [470] | 7-6,6-4 | |
| ITF M25 Tbilisi | 05/16 09:47 | - |
[407] Kaichi Uchida v
Odeva Lipany
[310] 
|
2-6,3-6 | |
| ITF M25 Tbilisi | 05/16 06:00 | - | [250] Johannus Monday v Kaichi Uchida [407] | 1-6,4-6 | |
| ITF M25 Tbilisi | 05/14 07:00 | - |
Kaichi Uchida v
Dane Sweeny
|
6-3,4-6,7-6 | |
| ITF M25 Tbilisi | 05/12 09:00 | - | Kaichi Uchida v David Prasievi | 6-4,6-3 | |
| Challenger Gwangju | 04/23 01:00 | 25 | [400] Kaichi Uchida v SE Missouri St Women [209] | 5-7,6-3,4-6 | |
| Challenger Gwangju | 04/21 04:00 | 19 |
Yan Bai
v
Kaichi Uchida |
Walkover | |
| Challenger Gwangju | 04/20 04:45 | 14 |
[369] Kaichi Uchida v
Jie Cui
[300] 
|
6-2,6-4 | |
| Challenger Busan | 04/13 04:00 | 45 | Duckhee Lee v Kaichi Uchida | 6-4,6-4 | |
| ITF M15 Kashiwa | 04/02 01:00 | - | Sora Fukuda v Kaichi Uchida | 6-4,5-4 | |
| ITF M25 Shenzhen | 03/19 05:00 | - | Kaichi Uchida v Yecong Mo | 4-6,3-6 | |
| ITF M25 Luan | 03/14 03:00 | - |
[370] Kaichi Uchida v
Jie Cui
[287]
|
3-6,4-6 | |
| ITF M25 Luan | 03/13 02:00 | - | Kaichi Uchida v Mitsuki Wei Kang Leong | 6-3,6-2 | |
| ITF M25 Luan | 03/12 02:37 | - | Kaichi Uchida v Keisuke Saitoh | 3-6,6-3,6-2 | |
| ITF M15 Maanshan | 03/06 03:30 | - | [1347] Nino Ehrenschneider v Kaichi Uchida [370] | 5-7,6-3,7-6 | |
| ITF M15 Maanshan | 03/05 03:30 | - | [435] Sheng Tang v Kaichi Uchida [370] | 3-6,2-6 | |
| Challenger Manama | 02/09 11:30 | 14 | [358] Kaichi Uchida v Aleksandre Bakshi [488] | 1-6,4-6 | |
| Challenger Lille | 02/02 13:50 | 14 | Mae Malige v Kaichi Uchida | 6-2,6-3 | |
| Challenger Koblenz | 01/26 12:00 | 14 |
[397] Ryan Nijboer
v
Kaichi Uchida [365] |
7-6,6-2 | |
| ITF M15 Cadolzburg | 01/16 11:30 | - | Kaichi Uchida v Vincent Marysko | 2-6,3-5 | |
| ITF M15 Cadolzburg | 01/15 11:30 | - | Kaichi Uchida v Denis Petak | 4-6,7-6,6-4 | |
| Challenger Oeiras | 01/06 11:00 | 19 | [164] Trey Hilderbrand v Kaichi Uchida [366] | 6-2,2-6,6-2 | |
| Challenger Oeiras | 01/05 13:10 | 14 | Daniel Batista v Kaichi Uchida | 4-6,5-7 |
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.