| Indonesia Masters Women | 10/18 06:00 | - | Mainaky, Lyanny Alessandra v Kim, Joo Eun | L | 0-2 | |
| Malaysia Masters 2020, WS, Qualification | 01/07 05:00 | - | Mainaky, Lyanny Alessandra v Xuefei Qi | L | 0-2 | |
| Hong Kong Open 2019, WS, Qualification | 11/12 03:00 | - | Mainaky, Lyanny Alessandra v Cheung, Ying Mei | L | 1-2 | |
| Macau Open 2019, WS | 10/30 01:00 | 5 | Mainaky, Lyanny Alessandra v Busanan Ongbamrungphan | L | 0-2 | |
| Indonesia Masters Women | 10/02 08:20 | 5 | Pan, Crystal v Mainaky, Lyanny Alessandra | L | 2-0 | |
| Korea Open 2019, WS, Qualification | 09/24 03:00 | - | Mainaky, Lyanny Alessandra v Yu Jin Sim | L | 1-2 | |
| Vietnam Open Women | 09/11 01:40 | 5 | Oie, Natsuki v Mainaky, Lyanny Alessandra | L | 2-0 | |
| Chinese Taipei Open 2019, WS | 09/04 06:10 | 5 | Mainaky, Lyanny Alessandra v Beiwen Zhang | L | 1-2 | |
| Akita Masters 2019, WS | 08/14 04:10 | 5 | Mainaky, Lyanny Alessandra v Chaiwan, Phittayaporn | L | 1-2 | |
| Thailand Open Women | 08/01 08:25 | 4 | Mainaky, Lyanny Alessandra v Fitriani, Fitriani | L | 0-2 | |
| Thailand Open Women | 07/31 06:45 | 5 | Mainaky, Lyanny Alessandra v Kosetskaya, E. | W | 2-1 | |
| Indonesia Open Women | 07/17 10:10 | 5 | Beiwen Zhang v Mainaky, Lyanny Alessandra | L | 2-1 | |
| Australian Open Women | 06/05 02:30 | 5 | Mainaky, Lyanny Alessandra v Busanan Ongbamrungphan | L | 0-2 | |
| New Zealand Open 2019, WS | 05/01 08:00 | 5 | Mainaky, Lyanny Alessandra v Kawakami, Saena | L | 0-2 | |
| Singapore Open Women | 04/10 02:40 | 5 | Mainaky, Lyanny Alessandra v Pusarla V. Sindhu | L | 0-2 | |
| Open d'Inde - Femmes | 03/27 08:30 | 5 | Mainaky, Lyanny Alessandra v Deng, J X | L | 0-2 | |
| Open d'Allemagne - Femmes | 02/27 17:25 | 5 | Yvonne Li v Mainaky, Lyanny Alessandra | L | 2-0 | |
| Masters d'Espagne - Femmes | 02/22 16:30 | 3 | Mainaky, Lyanny Alessandra v Mia Blichfeldt | L | 0-2 | |
| Masters d'Espagne - Femmes | 02/21 16:30 | 4 | Lee, Chia Hsin v Mainaky, Lyanny Alessandra | W | 0-2 | |
| Masters d'Espagne - Femmes | 02/20 15:20 | 5 | Mainaky, Lyanny Alessandra v Chen, X. X. | - | Retired | |
| Indonesia Masters XD | 01/23 05:00 | 5 | Mainaky, Lyanny Alessandra v Takahashi, Sayaka | L | 0-2 | |
| Indonesia Masters XD | 01/16 01:50 | 5 | Line Højmark Kjaersfeldt v Mainaky, Lyanny Alessandra | L | 2-0 | |
| Masters de Thaïlande - Femmes | 01/09 10:40 | 5 | Lianne Tan v Mainaky, Lyanny Alessandra | L | 2-0 | |
| Giraldilla Int. XD | 11/29 04:30 | 4 | Mainaky, Lyanny Alessandra v Jindapol, Nitchaon | L | 0-2 | |
| Giraldilla Int. XD | 11/28 05:50 | 5 | Bae, Ji Won v Mainaky, Lyanny Alessandra | W | 0-2 | |
| Open d'Angleterre | 11/07 08:40 | 5 | Mainaky, Lyanny Alessandra v Ratchanok Intanon | L | 0-2 | |
| Macau Open 2019, WS | 11/02 05:10 | 3 | Mainaky, Lyanny Alessandra v Mine, Ayumi | L | 1-2 | |
| Macau Open 2019, WS | 11/01 06:25 | 4 | Yu Po Pai v Mainaky, Lyanny Alessandra | - | Retired | |
| Macau Open 2019, WS | 10/31 04:30 | 5 | Pan, Crystal v Mainaky, Lyanny Alessandra | W | 0-2 | |
| Indonesia Masters XD | 09/26 02:30 | 5 | Mainaky, Lyanny Alessandra v Takahashi, Sayaka | L | 0-2 |