Alex Knaff – ATP #808 – Player Profile, Match Statistics & Bio

Ranked world No. 694 on the ATP Tour, Alex Knaff represents LUX as a professional tennis player. He is right-handed. His career-high ranking is No. 486. He began his professional career in 2016.

Knaff competed in just 30 matches during 2025. The campaign was limited to 30 matches. He reached the final at M15 Nonthaburi. Record: 17-13. Challenger/ITF results on hard: 15-9. He won 52% on second serve return, won 68% on first serve, and won 45% return pressure points.

The LUX player gained ranking points at Futures level in 2024. He reached three semifinals at M15 San Diego CA, M15 Los Angeles CA, and M15 Villers-les-Nancy. Season record: 36-32. Record on hard in lower tier: 35-30. He saved 50% of break points, won 48% on second serve, and averaged 0.34 double faults per game.

Alex Knaff competed at Futures/ITF level in 2023. He captured one title at M25 EschAlzette. He also reached the final at M15 Sharm ElSheikh. Additional semifinals at M15 Zahra, M15 Raanana, and M15 Heraklion. Record: 48-29. Challenger/ITF surface breakdown: clay 15-8, hard 33-21. He won 70% on first serve, won 60% on second serve return, and won 44% on second serve.

Knaff developed through Futures tournaments in 2022. He captured one title at M15 Tallahassee FL. He also reached the final at M15 Cancun. Season record: 31-21. Challenger/ITF results on hard: 26-15.

The LUX player gained ranking points at Futures level in 2021. He reached the semifinal at M15 East Lansing MI. Record: 4-5.

A tough 2018 season for Alex Knaff. He reached the quarterfinal at Belgium F6. Record: 5-9. Challenger/ITF results on clay: 5-8.

Alex Knaff faced difficulties in 2017. Season record: 4-7.