| Optasia Championships | 03/06 15:00 | 7 | Mueller, Nicolas v Bernabeu, Iker Pajares | 3-1 | |
| Windy City Open 2020 | 02/25 01:45 | 8 | Gawad, Karim Abdel v Mueller, Nicolas | 3-0 | |
| Windy City Open 2020 | 02/24 01:45 | - | Aslam, Tayyab v Mueller, Nicolas | 1-3 | |
| Motor City Open 2020 | 01/28 01:00 | 8 | Hesham, Mazen v Mueller, Nicolas | 3-1 | |
| Motor City Open 2020 | 01/27 00:00 | 7 | Lobban, Greg v Mueller, Nicolas | 0-3 | |
| Houston Open | 01/07 00:00 | 8 | Mueller, Nicolas v Hesham, Mazen | 2-3 | |
| Houston Open | 01/04 23:00 | 7 | Mueller, Nicolas v Khan, Faraz | 3-2 | |
| Czech Open | 11/19 16:00 | 1 | Mueller, Nicolas v Steinmann, Dimitri | 3-0 | |
| Czech Open | 11/18 19:00 | 2 | Mueller, Nicolas v Bonmalais, Sebastien | 3-0 | |
| Czech Open | 11/17 16:15 | 3 | Mueller, Nicolas v Mekbib, Daniel | 3-0 | |
| Czech Open | 11/16 14:00 | 8 | Mueller, Nicolas v Rehman, Aqeel | 3-0 | |
| Qatar Classic | 10/18 11:15 | 8 | Mueller, Nicolas v Masotti, Baptiste | 0-3 | |
| Qatar Classic | 10/17 11:15 | 7 | Mueller, Nicolas v Kobayashi, Ryosei | 3-2 | |
| US Open | 10/02 16:00 | 8 | Mueller, Nicolas v Abouelghar, Mohamed | 1-3 | |
| US Open | 10/01 16:45 | 7 | Mueller, Nicolas v Khan, Faraz | 3-1 | |
| British Open 2019 | 08/17 16:45 | 8 | Hesham, Mazen v Mueller, Nicolas | 3-0 | |
| British Open 2019 | 08/16 16:45 | 7 | Soares, Rui v Mueller, Nicolas | 1-3 | |
| PSA World Championships | 07/16 17:15 | 8 | Mueller, Nicolas v Marche, Gregoire | 1-3 | |
| PSA World Championships | 07/14 21:15 | 7 | Lau, Tsz Kwan v Mueller, Nicolas | 1-3 | |
| El Gouna International | 05/21 14:45 | 8 | Hesham, Mazen v Mueller, Nicolas | 3-2 | |
| El Gouna International | 05/20 14:45 | 7 | Gamal, Mazen v Mueller, Nicolas | 0-3 | |
| CIB Black Ball Open | 03/21 17:15 | 8 | Coll, Paul v Mueller, Nicolas | 3-0 | |
| CIB Black Ball Open | 03/19 17:15 | 7 | Harrity, Todd v Mueller, Nicolas | 0-3 | |
| CIB Black Ball Open | 12/13 09:00 | 7 | Mueller, Nicolas v Salem, Zahed | 1-3 | |
| Qatar Classic | 11/01 08:45 | 7 | Mueller, Nicolas v Ibrahim, Youssef | 1-3 | |
| Egypt Open | 10/12 16:45 | 9 | Farag, Ali v Mueller, Nicolas | 3-2 | |
| Egypt Open | 10/11 11:30 | 8 | Hammamy, Karim El v Mueller, Nicolas | 0-3 | |
| Egypt Open | 10/10 12:15 | 7 | Sirty, Moustafa El v Mueller, Nicolas | 1-3 | |
| Manchester Open | 09/19 18:15 | 8 | Mueller, Nicolas v Rosner, Simon | 1-3 | |
| Manchester Open | 09/17 18:15 | 7 | Mosaad, Omar v Mueller, Nicolas | 1-3 |