Stadium: Ct 18 Round: 24 Ground: Hardcourt outdoor
| ITF M25 Darwin | 2019/09/25 00:30 | Addison, Aaron v Klein, Brydan | 7-5,1-6,4-6 |
| ITF M25 Cairns | 2019/09/18 02:25 | Musialek, Alexis v Addison, Aaron | 7-6,7-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/20 02:30 | Addison, Aaron v Anthony Susanto | 3-6,6-2,12-14 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/19 05:00 | Addison, Aaron v Hajaning, Alwin | 6-0,6-0 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/15 03:45 | Addison, Aaron v Kasidit Samrej | 3-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/14 02:30 | Addison, Aaron v Anand, Kunal | 6-4,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/13 04:45 | Crnokrak, Alexander v Addison, Aaron | 6-7,3-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/12 04:00 | Anthony Susanto v Addison, Aaron | 7-6,6-7,8-10 |
| Challenger - Glasgow | 2019/09/16 15:55 | Heliovaara, Harri v Geoffrey Blancaneaux | 2-6,6-3,3-6 |
| Coupe Davis | 2019/09/14 14:45 | Heliovaara, Harri v Dennis Novak | 6-3,3-6,6-7 |
| Challenger Cassis | 2019/09/03 15:30 | Tsonga, Jo-Wilfried v Heliovaara, Harri | 6-4,6-3 |
| Challenger Cassis | 2019/09/02 11:20 | Heliovaara, Harri v Felipe Meligeni Rodrigues Alves | 6-4,7-6 |
| Challenger Mallorca | 2019/08/26 09:00 | Heliovaara, Harri v Thiago Seyboth Wild | 4-6,4-6 |
| Chengdu, China | 2019/07/31 03:25 | Tung-Lin Wu v Heliovaara, Harri | 6-3,6-7,2-6 |
| Chengdu, China | 2019/07/30 02:00 | Heliovaara, Harri v Courtney John Lock | 6-3,6-2 |
| Challenger Tampere | 2019/07/23 13:05 | Nedelko, Ivan v Heliovaara, Harri | 6-4,3-6,6-1 |