| World Team Championships | 12/14 12:00 | - | Yannick Wilhelmi v Curtis Malik | View | |
| World Team Championships | 12/12 11:30 | - | Matias Knudsen v Yannick Wilhelmi | 9-10 | |
| World Team Championships | 12/09 11:30 | - | Yannick Wilhelmi v Rhys Dowling | 11-5 | |
| 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 |
Yannick Wilhelmi (born 12 October 2000) is a Swiss professional squash player. He reached a career high ranking of 50 in the world during December 2024.
In December 2023, Wilhelmi won a bronze medal with Switzerland, at the 2023 Men's World Team Squash Championships in New Zealand.
After a first round exit from the 2024 PSA Men's World Squash Championship in May, he won another bronze medal with Switzerland, at the December 2024 Men's World Team Squash Championships in Hong Kong.