| Challenger Madrid | 04/11 15:30 | 25 | [65] Pedro Cachin v Akira Santillan [413] | 6-4,6-7,6-2 | |
| Challenger Madrid | 04/10 12:05 | 19 | Javier Marti v Akira Santillan | 7-5,7-5 | |
| Challenger Madrid | 04/09 14:40 | 14 | [404] Akira Santillan v Mikhail Kukushkin [319] | 6-2,6-3 | |
| Challenger Murcia | 04/03 09:00 | 19 | [310] Alejandro Moro Canas v Akira Santillan [404] | 6-4,4-6,6-2 | |
| Challenger Murcia | 04/02 11:25 | 14 | [448] Akira Santillan v Billy Harris [373] | 6-3,6-4 | |
| ITF M25 Trnava | 03/29 08:00 | 25 | Akira Santillan v Dominik Recek | 4-6,7-6,6-7 | |
| ITF M25 Portimao | 03/19 11:00 | 29 | [425] Akira Santillan v Goncalo Oliveira [489] | 6-7,4-6 | |
| ITF M25 Portimao | 03/18 11:00 | 28 | [425] Akira Santillan v Aidan Mchugh [431] | 6-2,6-7,7-6 | |
| ITF M25 Portimao | 03/17 10:30 | 27 | [263] Lukas Rosol v Akira Santillan [425] | 7-6,2-6,2-6 | |
| ITF M25 Portimao | 03/16 10:30 | 26 | Tomas C Abasolo v Akira Santillan | 5-7,6-3,2-6 | |
| ITF M25 Portimao | 03/15 14:50 | 25 | Henrique Rocha v Akira Santillan | 5-7,1-6 | |
| ITF M25 Quinta Do Lago | 03/09 17:40 | 25 | [425] Akira Santillan v Naoki Nakagawa [455] | 4-6,2-6 | |
| Challenger Pune | 02/28 11:00 | 25 | [441] Akira Santillan v Chun Hsin Tseng [124] | 6-4,5-7,4-6 | |
| Challenger Pune | 02/27 05:30 | 19 | [443] Akira Santillan v Colin Sinclair [426] | 6-7,7-5,6-2 | |
| Challenger Pune | 02/26 07:10 | 14 | [338] Jason Jung v Akira Santillan [443] | Retired | |
| Challenger Bengaluru | 02/19 11:15 | 14 | [406] Akira Santillan v Alibek Kachmazov [347] | 4-6,7-5,5-7 | |
| Challenger Chennai | 02/12 04:30 | 14 | Digvijay Pratap Singh v Akira Santillan | 2-6,6-4,6-1 | |
| Challenger Nonthaburi | 01/15 06:50 | 14 | [341] Henri Squire v Akira Santillan [400] | 6-2,7-6 | |
| Challenger Nonthaburi | 01/08 03:00 | 14 | [393] Giovanni Fonio v Akira Santillan [389] | 5-7,6-3,6-3 | |
| Challenger Nonthaburi | 01/02 03:00 | 19 | [357] Henri Squire v Akira Santillan [389] | 6-4,6-4 | |
| Challenger Nonthaburi | 01/01 04:25 | 14 | [444] Mats Rosenkranz v Akira Santillan [389] | 2-6,2-6 | |
| Challenger Ismaning | 10/09 14:55 | 14 | [431] Matthias Bachinger v Akira Santillan [382] | 6-2,5-7,7-5 | |
| Challenger Alicante | 10/03 09:00 | 19 | [352] Stuart Parker v Akira Santillan [382] | Retired | |
| Challenger Alicante | 10/02 08:00 | 14 | Darwin Blanch v Akira Santillan | 2-6,0-6 | |
| Challenger Lisbon | 09/25 12:20 | 14 | [376] Akira Santillan v Luca Van Assche [289] | 6-7,1-6 | |
| Challenger Braga | 09/18 11:15 | 14 | Jeremy Jahn v Akira Santillan | 6-3,7-6 | |
| Challenger Istanbul | 09/12 09:00 | 19 | Akira Santillan v Sarp Agabigun | 6-2,5-7,6-7 | |
| Challenger Istanbul | 09/11 09:15 | 14 | Akira Santillan v Jaycer Lyeons | 6-2,4-6,6-2 | |
| Challenger Nonthaburi | 09/08 03:30 | 26 | [437] Makoto Ochi v Akira Santillan [380] | Retired | |
| Challenger Nonthaburi | 09/06 07:35 | 25 | [380] Akira Santillan v Valentin Vacherot [271] | 7-5,1-6,6-4 |
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.