France: French Open - Singles - Main |
| 1/64-finals | Parmentier P. | Kudermetova V. | 0:2 (2:6, 3:6) | details | 29.09.2020 |
France: Strasbourg - Singles - Main |
| 1/16-finals | Linette M. | Parmentier P. | 2:0 (6:4, 6:3) | details | 21.09.2020 |
France: W60+H Saint-Malo - Singles - Main |
| 1/8-finals | Osorio C. | Parmentier P. | 2:1 (6:2, 4:6, 6:4) | details | 10.09.2020 |
| 1/16-finals | Brugnone F. | Parmentier P. | 0:2 (2:6, 1:6) | details | 09.09.2020 |
France: Challenge Elite FFT 3 - Singles - Play Offs |
| Semi-finals | Parmentier P. | Tan H. | 0:2 (5:7, 1:6) | details | 24.07.2020 |
| Quarter-finals | Parmentier P. | Hesse A. | 2:1 (5:7, 7:5, 10:6) | details | 23.07.2020 |
France: Challenge Elite FFT 3 - Singles - Main |
| Group C | Parmentier P. | Burel C. | 1:2 (6:4, 3:6, 12:14) | details | 22.07.2020 |
| Group C | Parmentier P. | Andrianjafitrimo T. | 2:0 (6:2, 6:4) | details | 20.07.2020 |
France: Challenge Elite FFT 2 - Singles - Play Offs |
| Quarter-finals | Mladenovic K. | Parmentier P. | 2:1 (6:2, 2:6, 10:3) | details | 16.07.2020 |
France: Challenge Elite FFT 2 - Singles - Main |
| Group D | Tan H. | Parmentier P. | 0:2 (4:6, 1:6) | details | 14.07.2020 |
| Group D | Parmentier P. | Hesse A. | 0:2 (5:7, 5:7) | details | 13.07.2020 |
France: Challenge Elite FFT - Singles - Play Offs |
| Quarter-finals | Mladenovic K. | Parmentier P. | 2:1 (2:6, 6:4, 11:9) | details | 09.07.2020 |
France: Challenge Elite FFT - Singles - Main |
| Group D | Parmentier P. | Georges M. | 1:2 (0:6, 7:65, 7:10) | details | 08.07.2020 |
| Group D | Parmentier P. | Andrianjafitrimo T. | 2:0 (7:5, 7:5) | details | 06.07.2020 |
France: Lyon - Singles - Main |
| 1/16-finals | Kasatkina D. | Parmentier P. | 2:1 (6:2, 5:7, 6:4) | details | 03.03.2020 |
France: W25 Macon - Singles - Main |
| 1/16-finals | Djoubri S. | Parmentier P. | 2:0 (7:5, 6:3) | details | 26.02.2020 |
Russia: St. Petersburg - Singles - Qualification |
| Final | Potapova A. | Parmentier P. | 2:0 (6:3, 6:1) | details | 09.02.2020 |
| Semi-finals | Bucsa C. | Parmentier P. | 1:2 (7:5, 2:6, 4:6) | details | 08.02.2020 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Wang Q. | Parmentier P. | 2:0 (7:62, 6:3) | details | 21.01.2020 |
Australia: Adelaide - Singles - Qualification |
| Semi-finals | Dabrowski G. | Parmentier P. | 2:0 (6:2, 6:1) | details | 11.01.2020 |
France: Limoges - Singles - Main |
| 1/8-finals | Minnen G. | Parmentier P. | 2:0 (6:3, 7:5) | details | 19.12.2019 |
| 1/16-finals | Parmentier P. | Garcia C. | 2:0 (6:2, 6:2) | details | 18.12.2019 |
World: Fed Cup - World Group - Singles - Main |
| | Tomljanovic A. | Parmentier P. | 2:0 (6:4, 7:5) | details | 10.11.2019 |
France: W80 Poitiers - Singles - Main |
| 1/16-finals | Parmentier P. | Samsonova L. | 0:2 (4:6, 5:7) | details | 23.10.2019 |
Luxembourg: Luxembourg - Singles - Main |
| 1/16-finals | Parmentier P. | Cirstea S. | 0:2 (3:6, 4:6) | details | 15.10.2019 |
Austria: Linz - Singles - Qualification |
| Final | Voegele S. | Parmentier P. | 2:0 (6:4, 6:4) | details | 07.10.2019 |
| Semi-finals | Lepchenko V. | Parmentier P. | 0:2 (66:7, 4:6) | details | 06.10.2019 |
Uzbekistan: Tashkent - Singles - Main |
| Quarter-finals | Van Uytvanck A. | Parmentier P. | 2:0 (6:2, 6:4) | details | 26.09.2019 |
| 1/8-finals | Parmentier P. | Babos T. | 2:1 (2:6, 6:4, 6:3) | details | 25.09.2019 |
| 1/16-finals | Parmentier P. | Krunic A. | 2:0 (6:1, 6:2) | details | 24.09.2019 |
France: Saint Malo - Singles - Main |
| 1/16-finals | Parmentier P. | Andrianjafitrimo T. | 0:2 (5:7, 4:6) | details | 18.09.2019 |
USA: New Haven - Singles - Main |
| Quarter-finals | Parmentier P. | Davis L. | 0:2 (3:6, 4:6) | details | 06.09.2019 |
| 1/8-finals | Parmentier P. | Li A. | 2:1 (6:4, 4:6, 7:5) | details | 05.09.2019 |
| 1/16-finals | Parmentier P. | Harrison C. | 2:0 (7:5, 6:4) | details | 04.09.2019 |
USA: US Open - Singles - Main |
| 1/64-finals | Parmentier P. | Pavlyuchenkova A. | 0:2 (1:6, 62:7) | details | 27.08.2019 |
USA: New York - Singles - Qualification |
| Semi-finals | Zhu L. | Parmentier P. | 2:0 (6:1, 6:2) | details | 17.08.2019 |
| Quarter-finals | Stosur S. | Parmentier P. | 0:2 (2:6, 3:6) | details | 16.08.2019 |
Italy: Palermo - Singles - Main |
| 1/16-finals | Badosa P. | Parmentier P. | 2:0 (6:4, 7:64) | details | 22.07.2019 |
Switzerland: Lausanne - Singles - Main |
| 1/16-finals | Samsonova L. | Parmentier P. | 2:1 (6:0, 3:6, 6:3) | details | 16.07.2019 |
United Kingdom: Wimbledon - Singles - Main |
| 1/32-finals | Suarez Navarro C. | Parmentier P. | 2:0 (7:62, 7:64) | details | 04.07.2019 |
| 1/64-finals | Sharapova M. | Parmentier P. | 1:1 RET. (6:4, 64:7, 0:5) | details | 02.07.2019 |
United Kingdom: Eastbourne - Singles - Main |
| 1/16-finals | Parmentier P. | Hercog P. | 1:2 (6:2, 2:6, 64:7) | details | 25.06.2019 |
| 1/32-finals | Parmentier P. | Linette M. | 2:1 (7:62, 2:6, 6:4) | details | 23.06.2019 |
United Kingdom: Eastbourne - Singles - Qualification |
| Final | Hercog P. | Parmentier P. | 2:1 (4:6, 6:1, 6:4) | details | 22.06.2019 |
| Semi-finals | Cabrera L. | Parmentier P. | 0:2 (5:7, 5:7) | details | 21.06.2019 |
United Kingdom: Ilkley - Singles - Main |
| 1/16-finals | Swan K. | Parmentier P. | 2:0 (7:64, 6:4) | details | 18.06.2019 |