| Challenger Lexington | 08/01 15:25 | 26 | [279] Borna Gojo v Akira Santillan [223] | 6-7,6-4,2-6 | |
| Challenger Lexington | 07/31 17:50 | 25 | Vasil Kirkov v Akira Santillan | 4-6,3-6 | |
| Challenger Granby | 07/24 16:10 | 25 | [222] Akira Santillan v Maximilian Neuchrist [421] | 0-6,7-6,4-6 | |
| Challenger Gatineau | 07/15 16:05 | 24 | [229] Akira Santillan v Carlos Gomez-Herrera [411] | 6-3,3-6,1-6 | |
| Wimbledon | 06/26 10:00 | 45 | [171] Ruben Bemelmans v Akira Santillan [238] | 6-7,6-3,12-10 | |
| Wimbledon | 06/24 11:45 | 44 | [270] Jurij Rodionov v Akira Santillan [238] | 3-6,1-6 | |
| Challenger Shymkent 2 | 06/11 08:15 | 25 | [255] Nicola Kuhn v Akira Santillan [238] | 1-6,7-5,6-3 | |
| Challenger Almaty | 06/05 05:30 | 25 | [228] Akira Santillan v Marc-Andrea Huesler [274] | 6-3,3-6,6-7 | |
| Challenger Gwangju | 05/18 03:55 | 28 | [129] Jason Jung v Akira Santillan [251] | 6-4,6-3 | |
| Challenger Gwangju | 05/17 04:00 | 27 | [251] Akira Santillan v Lukas Lacko [146] | 6-4,6-3 | |
| Challenger Gwangju | 05/16 04:45 | 26 | [115] Brayden Schnur v Akira Santillan [251] | Retired | |
| Challenger Gwangju | 05/15 05:05 | 25 | [251] Akira Santillan v Saketh Myneni [246] | 6-2,6-1 | |
| Challenger Gwangju | 05/14 02:00 | 24 | Akira Santillan v Cheong-Eui Kim | 6-4,6-1 | |
| Challenger Busan | 05/11 03:00 | 28 | [276] Andrew Harris v Akira Santillan [283] | Retired | |
| Challenger Busan | 05/10 03:00 | 27 | [283] Akira Santillan v Go Soeda [204] | 6-3,6-3 | |
| Challenger Busan | 05/09 03:00 | 26 | [283] Akira Santillan v Tsung-Hua Yang [289] | 7-6,6-1 | |
| Challenger Busan | 05/07 03:35 | 25 | [129] Jason Jung v Akira Santillan [283] | 3-6,6-3,2-6 | |
| Challenger Busan | 05/06 06:00 | 24 | [308] Aldin Setkic v Akira Santillan [293] | 2-6,2-6 | |
| Challenger Seoul | 05/02 05:55 | 26 | [141] Alex Bolt v Akira Santillan [293] | 7-6,6-3 | |
| Challenger Seoul | 05/01 03:50 | 25 | [293] Akira Santillan v Jason Jung [132] | 6-3,5-7,7-6 | |
| Challenger Seoul | 04/30 03:35 | 24 | [293] Akira Santillan v Youssef Hossam [404] | Walkover | |
| Challenger Nanchang | 04/25 03:00 | 26 | [156] Nikola Milojevic v Akira Santillan [296] | 7-6,7-6 | |
| Challenger Nanchang | 04/23 07:05 | 25 | [296] Akira Santillan v Aleksandr Nedovyesov [206] | 6-4,4-6,7-5 | |
| Challenger Nanchang | 04/22 04:00 | 24 | Akira Santillan v Chien-Hsun Lo | 6-1,6-2 | |
| Challenger Anning | 04/15 03:45 | 24 | [292] Akira Santillan v Zhizhen Zhang [354] | 7-5,6-7,0-6 | |
| Challenger Taipei | 04/10 08:00 | 25 | [131] Kamil Majchrzak v Akira Santillan [292] | 6-3,6-1 | |
| Challenger Taipei | 04/09 04:45 | 24 | [292] Akira Santillan v Yu Hsiou Hsu [304] | 6-4,7-6 | |
| Challenger Zhangjiagang | 03/19 02:00 | 24 | [291] Akira Santillan v Max Purcell [257] | Retired | |
| Challenger Launceston | 01/29 01:25 | 24 | [486] Yuta Shimizu v Akira Santillan [293] | Retired | |
| Challenger Burnie | 01/20 23:00 | 24 | [292] Akira Santillan v Nicola Kuhn [248] | 4-6,6-7 |
Wikipedia - Akira Santillan
Akira Santillan (アキラ サンティラン, Santiran Akira, born 22 May 1997) is an Australian tennis player. He represents Australia in competitions, though he played for Japan from 2015 to 2017.