| Challenger Oeiras | 06/24 09:00 | 27 | [258] Kaichi Uchida v Michael Geerts [262] | 4-6,6-1,6-4 | |
| Challenger Oeiras | 06/22 09:00 | 26 | [258] Kaichi Uchida v Tobias Kamke [349] | Retired | |
| Challenger Oeiras | 06/20 17:00 | 25 | [258] Kaichi Uchida v Louis Wessels [298] | 6-4,6-1 | |
| Challenger Orlando | 06/07 20:55 | 25 | [267] Kaichi Uchida v Adrian Andreev [400] | 7-5,4-6,3-6 | |
| Challenger Little Rock | 06/01 16:00 | 26 | Kaichi Uchida v Murphy Cassone | 4-6,3-6 | |
| Challenger Little Rock | 05/31 16:00 | 25 | Kaichi Uchida v Strong Kirchheimer | 4-6,6-3,6-4 | |
| ITF M25 Netanya | 05/28 07:00 | 28 | Kaichi Uchida v Kyle Seelig | 3-6,3-6 | |
| ITF M25 Netanya | 05/27 07:00 | 27 | [275] Kaichi Uchida v Calum Puttergill [492] | 5-7,7-6,6-1 | |
| ITF M25 Netanya | 05/26 06:30 | 26 | Kaichi Uchida v Ron Ellouck | 6-4,6-7,6-3 | |
| ITF M25 Netanya | 05/25 12:35 | 25 | Kaichi Uchida v Shay Bar Menahem | 6-1,7-6 | |
| Challenger Shymkent | 05/19 04:00 | 27 | Kaichi Uchida v Sergey Fomin | 7-5,3-6,4-6 | |
| Challenger Shymkent | 05/18 04:00 | 26 | [285] Kaichi Uchida v Denis Yevseyev [338] | 7-6,3-6,6-4 | |
| Challenger Shymkent | 05/17 04:00 | 25 | [285] Kaichi Uchida v Eric Vanshelboim [383] | 7-5,7-6 | |
| Challenger Shymkent | 05/09 09:30 | 25 | [363] Mikael Torpegaard v Kaichi Uchida [285] | 6-3,4-6,6-3 | |
| Challenger Prague | 05/03 08:30 | 25 | Kaichi Uchida v Matteo Donati | 6-2,4-6,3-6 | |
| Challenger Prague | 05/02 08:30 | 19 | [282] Kaichi Uchida v Lucas Gerch [367] | 3-6,1-6 | |
| Challenger Prague | 05/01 08:30 | 14 | Kaichi Uchida v Matthew William Donald | 6-2,6-0 | |
| Challenger Savannah | 04/25 18:00 | 25 | [373] Alex Rybakov v Kaichi Uchida [281] | 6-3,6-2 | |
| Challenger Lille | 03/23 12:15 | 25 | [205] Constant Lestienne v Kaichi Uchida [275] | 7-6,6-2 | |
| ITF M25 Loule | 03/19 15:15 | 28 | [251] Kaichi Uchida v Lucas Miedler [312] | 2-6,3-6 | |
| ITF M25 Loule | 03/19 10:50 | 27 | Kaichi Uchida v Pedro Araujo | 6-3,6-3 | |
| ITF M25 Loule | 03/18 11:50 | 26 | Kaichi Uchida v Adria S Barrera | 6-4,6-4 | |
| ITF M25 Loule | 03/17 17:35 | 25 | [251] Kaichi Uchida v Alberto Barroso Campos [337] | 7-6,1-6,12-10 | |
| Challenger Monterrey | 03/08 00:00 | 25 | [251] Kaichi Uchida v Tommy Robredo [363] | 3-6,3-6 | |
| ITF M25 Cancun | 02/15 17:00 | 25 | Emil Reinberg v Kaichi Uchida | 6-4,7-6 | |
| ITF M25 Cancun | 02/08 17:00 | 25 | [470] Lucas Gerch v Kaichi Uchida [254] | 4-6,7-6,6-2 | |
| Challenger Cleveland | 01/30 22:20 | 14 | [263] Kaichi Uchida v Alex Rybakov [361] | 3-6,7-5,4-6 | |
| Challenger Columbus | 01/23 16:30 | 14 | Kaichi Uchida v Donald Young | 3-6,6-7 | |
| Challenger Forli | 01/20 13:05 | 26 | [189] Franco Agamenone v Kaichi Uchida [263] | 6-2,6-4 | |
| Challenger Forli | 01/18 09:00 | 25 | [263] Kaichi Uchida v Altug Celikbilek [165] | 6-3,4-6,7-6 |
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.