Results
| 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 | |
| Challenger Yokkaichi | 11/29 02:45 | 27 |
Rei Sakamoto
v
Kaichi Uchida |
6-4,7-6 | |
| Challenger Yokkaichi | 11/28 01:00 | 26 |
[366] Kaichi Uchida v
Sho Shimabukuro
[195] 
|
2-6,6-4,6-2 | |
| Challenger Yokkaichi | 11/25 03:55 | 25 | [366] Kaichi Uchida v Kokoro Isomura [452] | 6-0,6-1 | |
| Challenger Kobe | 11/12 04:15 | 25 |
[374] Kaichi Uchida v
Taro Daniel
[84] 
|
2-6,6-3,4-6 | |
| Challenger Kobe | 11/11 03:45 | 19 | [374] Kaichi Uchida v Philip Sekulic [342] | 1-6,6-3,6-4 | |
| Challenger Kobe | 11/10 04:55 | 14 | [311] Alexey Zakharov v Kaichi Uchida [374] | 6-7,6-7 | |
| Challenger Matsuyama | 11/03 02:30 | 14 | [424] Shintaro Imai v Kaichi Uchida [364] | 6-4,6-0 |
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.