| China Open | 10/30 13:00 | 7 | Yannick Wilhelmi v Yahya Elnawasany | 2-3 | |
| Richardson Wealth Open | 10/19 02:00 | 3 | Yannick Wilhelmi v Tsz Kwan Lau | 1-3 | |
| Richardson Wealth Open | 10/17 23:40 | 8 | Yannick Wilhelmi v Matthew Lai | 3-2 | |
| Open Squash Classic | 10/06 20:00 | 7 | Yannick Wilhelmi v Velavan Senthilkumar | 1-3 | |
| Budapest Open | 09/24 13:05 | 3 | Yannick Wilhelmi v Declan James | 2-3 | |
| Budapest Open | 09/23 14:00 | 8 | Juan Camilo Vargas v Yannick Wilhelmi | 0-3 | |
| Budapest Open | 09/22 10:00 | 7 | Mohammad Syafiq Kamal v Yannick Wilhelmi | 1-3 | |
| Egypt Open Qualifiers | 08/28 12:15 | 3 | Yannick Wilhelmi v Moustafa Elsirty | 1-3 | |
| Egypt Open Qualifiers | 08/27 18:15 | 15 | Yannick Wilhelmi v Ivan Perez | 3-2 | |
| Egypt Open Qualifiers | 08/26 15:45 | 14 | Yannick Wilhelmi v Hazem Hossam | 3-0 | |
| Manchester Open | 05/23 14:00 | 8 | Yannick Wilhelmi v Iker Pajares | 2-3 | |
| Manchester Open | 05/22 13:30 | 7 | Yannick Wilhelmi v Edwin Clain | 3-1 | |
| PSA World Championships | 05/09 14:30 | 7 | Rory Stewart v Yannick Wilhelmi | 3-0 | |
| German Open | 04/04 18:30 | 8 | Yannick Wilhelmi v Raphael Kandra | 2-3 | |
| German Open | 04/03 18:30 | 7 | Yannick Wilhelmi v Mazen Gamal | 3-0 | |
| Canadian Open | 03/06 01:00 | 3 | Yannick Wilhelmi v Mazen Hesham | 0-3 | |
| Canadian Open | 03/04 23:45 | 8 | Auguste Dussourd v Yannick Wilhelmi | 1-3 | |
| Canadian Open | 03/03 23:30 | 7 | Sanjay Jeeva v Yannick Wilhelmi | 1-3 | |
| Squash On Fire Open | 02/15 17:45 | 8 | Yannick Wilhelmi v Greg Lobban | 2-3 | |
| Pittsburgh Open | 02/10 00:15 | 3 | Youssef Soliman v Yannick Wilhelmi | 3-0 | |
| Pittsburgh Open | 02/08 23:30 | 8 | Yannick Wilhelmi v Cesar Salazar | 3-2 | |
| Pittsburgh Open | 02/07 23:30 | 7 | Lucas Serme v Yannick Wilhelmi | 0-3 | |
| World Team Championships | 12/15 02:00 | 3 | Yannick Wilhelmi v Andrew Douglas | 1-3 | |
| New Zealand Open | 12/05 00:45 | 7 | Yannick Wilhelmi v Patrick Rooney | 0-3 | |
| London Open | 11/16 14:00 | 8 | Yannick Wilhelmi v Owain Taylor | 2-3 | |
| Czech Open | 11/03 15:00 | 8 | Nicolas Mueller v Yannick Wilhelmi | 3-0 | |
| Czech Open | 11/02 14:15 | 7 | Aqeel Rehman v Yannick Wilhelmi | 0-3 | |
| Grasshopper Cup | 10/17 17:00 | 7 | Yannick Wilhelmi v Raphael Kandra | 0-2 | |
| QSF 3 Doha | 10/12 14:30 | 8 | Sebastien Bonmalais v Yannick Wilhelmi | 3-0 | |
| QSF 3 Doha | 10/11 15:30 | 7 | Salem Al Malki v Yannick Wilhelmi | 0-3 |
Yannick Wilhelmi (born 12 October 2000 in Grabs) is a Swiss professional squash player. As of May 2021, he was ranked number 137 in the world.