| Τσάλεντζερ Τραραλγκόν | 11/02 23:00 | 44 | Άρτεμ Σίτακ v Καϊτσι Ουτσίντα | 6-4,6-3 | |
| ITF Turkey F36 | 10/14 08:30 | - | Καϊτσι Ουτσίντα v Moritz Dettinger | 6-7,3-6 | |
| ITF Turkey F35 | 10/07 07:00 | - | Ιβάν Νεντέλκο v Καϊτσι Ουτσίντα | 5-7,6-2,6-0 | |
| ITF Turkey F34 | 10/02 07:00 | - | Richard Gabb v Καϊτσι Ουτσίντα | 6-3,6-2 | |
| ITF Turkey F34 | 10/01 07:00 | - | Καϊτσι Ουτσίντα v James Marsalek | 6-2,7-5 | |
| ITF China F9 | 07/24 02:00 | - | Ζε Λι v Καϊτσι Ουτσίντα | 6-0,6-7,6-0 | |
| ITF China F9 | 07/23 02:00 | - | Καϊτσι Ουτσίντα v Hiroka Kondo | 4-6,7-6,6-2 | |
| ITF China F9 | 07/21 03:40 | - | Καϊτσι Ουτσίντα v Καζούμα Καβάτσι | 6-2,6-3 | |
| ITF China F7 | 06/10 02:00 | - | Liang-Chi Huang v Καϊτσι Ουτσίντα | 7-6,6-3 | |
| ITF China F6 | 06/06 02:30 | - | Ζε Λι v Καϊτσι Ουτσίντα | 7-6,6-3 | |
| ITF China F6 | 06/05 02:00 | - | Καϊτσι Ουτσίντα v Zhaoyi Cao | 6-1,6-0 | |
| ITF China F6 | 06/04 02:00 | - | Yecong He v Καϊτσι Ουτσίντα | 6-7,4-6 | |
| ITF Mexico F2 | 04/29 20:40 | - | Καϊτσι Ουτσίντα v Άνταμ Ελ Μιχντάβι | 5-7,1-6 | |
| ITF USA F11 Qual | 04/07 15:00 | - | Καϊτσι Ουτσίντα v Βούλνετ Τάσι | 6-2,6-7,6-7 | |
| ITF USA F10 | 04/01 19:25 | - | Καϊτσι Ουτσίντα v Tucker Vorster | 3-6,6-7 | |
| ITF USA F8 | 03/11 19:20 | - | Καϊτσι Ουτσίντα v Adam Chadaj | 4-6,6-4,3-6 |
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.