| Indonesia Masters | 10/18 04:45 | - | Mainaky, Yehezkiel Fritz v Jason Christ Alexander | L | 0-2 | |
| Hong Kong Open 2019, MS, Qualification | 11/12 01:40 | - | Liew, Daren v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Indonesia International Challenge 2019, MS | 10/22 10:10 | 6 | Mainaky, Yehezkiel Fritz v Jun Hao Leong | L | 0-2 | |
| Indonesia Masters | 10/02 03:55 | 6 | Mainaky, Yehezkiel Fritz v Mikhael, Jovi | L | 0-2 | |
| Vietnam Open Qual | 09/10 02:40 | - | Yu, Sheng Po v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Chinese Taipei Open 2019, MS, Qualification | 09/03 02:50 | - | Mainaky, Yehezkiel Fritz v Pang Fong Pui | L | 1-2 | |
| Akita Masters 2019, MS | 08/14 02:50 | 5 | Thongnuam, Pannawit v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Akita Masters 2019, MS | 08/14 00:30 | 6 | Chico Aura Dwi Wardoyo v Mainaky, Yehezkiel Fritz | - | Walkover | |
| Indonesia Open | 07/17 03:25 | 5 | Mainaky, Yehezkiel Fritz v Cheuk Yiu Lee | L | 0-2 | |
| Malaysia Int. | 06/18 08:55 | - | Mainaky, Yehezkiel Fritz v Sompie, Ferneel Hazael | L | 0-2 | |
| New Zealand Open Qual | 04/29 22:00 | - | Soo, Teck Zhi v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Vietnam Int. | 04/09 11:30 | - | Mainaky, Yehezkiel Fritz v Yang, Chih Chieh | L | 0-2 | |
| India Open 2019, MS, Qualification | 03/26 04:30 | - | Dunna, Sarath v Mainaky, Yehezkiel Fritz | L | 2-1 | |
| Giraldilla Int. XD | 02/20 05:05 | - | Yaowanit, Chacharit v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 01/22 03:40 | - | Mainaky, Yehezkiel Fritz v Fan, Daniel | L | 0-2 | |
| Open de Suisse - Doubles Femmes - Qualif. | 11/27 01:00 | - | Chia Hao Lee v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Giraldilla Int. XD | 09/04 14:50 | 6 | Aggarwal, Harshit v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Giraldilla Int. XD | 07/26 04:30 | 4 | Mainaky, Yehezkiel Fritz v Chia Hao Lee | L | 0-2 | |
| Giraldilla Int. XD | 07/25 01:00 | 5 | Kanta Tsuneyama v Mainaky, Yehezkiel Fritz | - | Walkover | |
| Giraldilla Int. XD | 05/09 08:00 | 5 | June Wei Cheam v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 05/08 01:55 | - | Mainaky, Yehezkiel Fritz v Mann, Robert | W | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 05/07 23:52 | - | Mainaky, Yehezkiel Fritz v Chen, Cham | W | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 04/04 01:10 | 1 | Mainaky, Yehezkiel Fritz v Ichii, Ryota | L | 0-2 | |
| Giraldilla Int. XD | 03/22 08:40 | 1 | Mainaky, Yehezkiel Fritz v Chi Ting Chen | L | 0-2 | |
| Giraldilla Int. XD | 03/22 03:00 | 1 | Mainaky, Yehezkiel Fritz v Tang, Kai Ho | W | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 02/20 12:01 | - | Mainaky, Yehezkiel Fritz v Schaenzler, Lars | L | 0-2 | |
| Indonesia Masters XD | 11/28 08:35 | 6 | Hsu, Jen Hao v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Giraldilla Int. XD | 10/25 02:35 | 1 | Mainaky, Yehezkiel Fritz v Lu Chen | L | 0-2 | |
| Giraldilla Int. XD | 06/19 23:38 | - | Verma, Siril v Mainaky, Yehezkiel Fritz | L | 2-0 | |
| Open d'Angleterre | 01/17 13:05 | 6 | M.gowda, H. v Mainaky, Yehezkiel Fritz | L | 2-0 |