| 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 - Tóquio | 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 - Xangai | 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 | |
| Open dos EUA | 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 | |
| Open de França | 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 | |
| Challenger - Oeiras | 04/17 12:30 | 25 | [160] Kaichi Uchida v Joris De Loore [196] | 6-4,7-6 | |
| Challenger - Split | 04/11 10:30 | 25 | [112] Radu Albot v Kaichi Uchida [160] | 6-1,7-5 | |
| Challenger - Múrcia | 04/03 16:10 | 25 | [162] Kaichi Uchida v Marc Polmans [239] | 4-6,6-7 | |
| Challenger - Sanremo | 03/27 11:50 | 25 | [129] Alexandre Muller v Kaichi Uchida [159] | 1-6,6-3,6-3 | |
| ATP - Miami | 03/20 18:50 | 14 | [82] Cristian Garin v Kaichi Uchida [159] | 6-4,6-4 |
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.
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.