| Challenger Nonthaburi | 12/31 06:25 | 14 | [372] Yunseong Chung v Kaichi Uchida [307] | 4-6,0-6 | |
| Challenger Yokkaichi | 11/29 01:30 | 26 | [153] Zizou Bergs v Kaichi Uchida [319] | 6-4,6-3 | |
| Challenger Yokkaichi | 11/28 02:45 | 25 | [319] Kaichi Uchida v Jisung Nam [128] | 7-6,2-6,6-1 | |
| Challenger Kobe | 11/14 03:15 | 25 | [155] Sho Shimabukuro v Kaichi Uchida [285] | 6-1,7-6 | |
| Challenger Matsuyama | 11/07 01:00 | 25 | [179] Duje Ajdukovic v Kaichi Uchida [274] | 6-4,6-4 | |
| Challenger Sydney | 11/01 00:00 | 26 | [133] Shintaro Mochizuki v Kaichi Uchida [267] | 7-6,7-5 | |
| Challenger Sydney | 10/30 03:55 | 25 | [266] Yuta Shimizu v Kaichi Uchida [272] | 3-6,2-6 | |
| Challenger Playford | 10/24 23:30 | 25 | [272] Kaichi Uchida v James Duckworth [125] | 4-6,6-7 | |
| ATP Tokyo | 10/14 02:00 | 14 | [80] Marcos Giron v Kaichi Uchida [270] | 6-4,6-3 | |
| Challenger Shenzhen | 10/10 07:00 | 25 | [139] James Duckworth v Kaichi Uchida [270] | 6-0,7-6 | |
| ATP Shanghai | 10/02 10:45 | 14 | [292] Philip Sekulic v Kaichi Uchida [252] | 6-3,7-6 | |
| Challenger Zhangjiagang | 08/29 04:50 | 25 | [379] Colin Sinclair v Kaichi Uchida [240] | 6-3,3-6,6-4 | |
| Challenger Zhangjiagang | 08/29 03:50 | 25 | Yan Bai v Kaichi Uchida | Cancelled | |
| US Open | 08/22 18:25 | 14 | [240] Kaichi Uchida v Timofey Skatov [128] | 2-6,2-6 | |
| Challenger Santo Domingo | 08/08 22:00 | 25 | [256] Ignacio Monzon v Kaichi Uchida [234] | 6-4,6-7,6-4 | |
| ATP Los Cabos | 07/30 01:00 | 14 | [217] Kaichi Uchida v Gonzalo Lama [410] | 4-6,2-6 | |
| Challenger Salinas | 07/26 16:55 | 26 | [217] Kaichi Uchida v Altug Celikbilek [289] | 1-6,6-2,4-6 | |
| Challenger Salinas | 07/24 18:05 | 25 | [217] Kaichi Uchida v Christian Langmo [345] | 7-6,0-6,6-0 | |
| Wimbledon | 06/28 10:00 | 15 | [107] Tomas Machac v Kaichi Uchida [199] | 4-6,6-3,6-2 | |
| Wimbledon | 06/26 10:00 | 14 | [174] Franco Agamenone v Kaichi Uchida [199] | 6-4,6-7,2-6 | |
| Challenger Lyon | 06/12 11:35 | 25 | [305] Alejandro Moro Canas v Kaichi Uchida [157] | Retired | |
| Challenger Heilbronn | 06/06 16:20 | 25 | [154] Kaichi Uchida v Dominic Thiem [92] | 4-6,4-6 | |
| Challenger Troisdorf | 05/30 09:55 | 25 | [154] Kaichi Uchida v Benjamin Hassan [284] | 3-6,3-6 | |
| French Open | 05/22 14:10 | 14 | [150] Camilo Ugo Carabelli v Kaichi Uchida [154] | 6-3,1-6,6-3 | |
| Challenger Busan | 05/09 02:00 | 25 | [147] Kaichi Uchida v Altug Celikbilek [218] | 2-6,4-6 | |
| Challenger Gwangju | 05/02 06:40 | 25 | [363] Yunseong Chung v Kaichi Uchida [150] | 7-6,6-3 | |
| ATP Madrid | 04/25 11:00 | 19 | [150] Kaichi Uchida v Benoit Paire [161] | 6-3,3-6,4-6 | |
| ATP Madrid | 04/24 10:45 | 14 | [94] Alexandre Muller v Kaichi Uchida [150] | 4-6,6-7 | |
| Challenger Oeiras | 04/22 11:35 | 27 | [160] Kaichi Uchida v Juan Manuel Cerundolo [123] | 3-6,3-6 | |
| Challenger Oeiras | 04/19 09:00 | 26 | [160] Kaichi Uchida v Adrian Andreev [213] | 6-1,1-6,6-2 |
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.
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.