Name: Alex Knaff
Country: Luxembourg
Birthdate: 26.11.97, 27 years
ATP ranking: 590
TOP ranking's position: 486 (11.09.23, 85 points)
Points: 58
Prize money: 60.712 $
Matches total: 359
Win: 217
%: 60.45 %
Country: Luxembourg
Birthdate: 26.11.97, 27 years
ATP ranking: 590
TOP ranking's position: 486 (11.09.23, 85 points)
Points: 58
Prize money: 60.712 $
Matches total: 359
Win: 217
%: 60.45 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 15/6 | 13/5 | 0/0 | 2/1 | 0/0 | 0/0 | 0/0 |
| 2024 | 41/33 | 29/23 | 2/3 | 10/7 | 0/0 | 0/0 | 0/0 |
| 2023 | 54/31 | 38/22 | 16/9 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 50/25 | 20/9 | 3/6 | 24/9 | 3/1 | 0/0 | 0/0 |
| 2021 | 20/13 | 5/4 | 5/5 | 9/3 | 1/1 | 0/0 | 0/0 |
| 2019 | 1/2 | 0/0 | 1/1 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 11/10 | 0/0 | 10/9 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2017 | 19/10 | 0/0 | 18/9 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2016 | 6/11 | 0/3 | 5/7 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2015 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 217/142 | 105/66 | 60/50 | 48/24 | 4/2 | 0/0 | 0/0 |
| perc. % | 60.45 % | 61.4 % | 54.55 % | 66.67 % | 66.67 % | 0 % | 0 % |
Alex Knaff / Fixtures
| 23.04.25 14:01 | 1st round | Liam Krall | Alex Knaff  | 5-7, 4-5 LIVE | match details |  M15 Monastir | Hard |
Alex Knaff form / year 2017
Alex Knaff / year 2017
| 07.12.17 | 2nd round | Jacob Dunbar | Alex Knaff | 6-2, 6-4 |  | match details |  USA F40 | I. hard |
| 06.12.17 | 1st round | Alex Knaff | Austin Krajicek | 4-6, 6-1, 6-4 |  | match details | ||
| 14.11.17 | 1st round | Fabrizio Ornago | Alex Knaff | 6-1, 7-5 | | match details | USA F37 | Clay |
| 13.11.17 | qual. | Alex Knaff | Felix Ewers | 7-65, 6-2 | | match details | ||
| 13.11.17 | Alex Knaff | Terrell Whitehurst | 6-2, 6-2 | | match details | |||
| 13.11.17 | q 1 | Alex Knaff | Andrew Cahn | 6-2, 6-1 | | match details | ||
| 13.11.17 | q 2 | Alex Knaff | Juan Ignacio Cabrera | 6-1, 5-7, 7-64 | | match details | ||
| 07.08.17 | qual. | Nikolas Walterscheid-Tukic | Alex Knaff | 6-4, 6-3 | | match details |  Belgium F8 | Clay |
| 07.08.17 | q 1 | Alex Knaff | Rohit Navelkar | 6-3, 6-1 | | match details | ||
| 07.08.17 | q 2 | Alex Knaff | Raphael Calzi | 6-2, 6-0 | | match details | ||
| 31.07.17 | q 2 | Alex Knaff | Yassir Kilani | 6-3, 3-6, 7-5 | | match details |  Morocco F3 | Clay |
| 31.07.17 | qual. | Hugo Daubias | Alex Knaff | 6-3, 6-1 | | match details | ||
| 26.07.17 | 2nd round | Florent Diep | Alex Knaff | 6-1, 6-4 | | match details | Morocco F2 | Clay |
| 25.07.17 | 1st round | Alex Knaff | Farzin Danny Amiri | 7-64, 7-66 | | match details | ||
| 24.07.17 | qual. | Alex Knaff | Khalid Allouch | 6-2, 3-6, 7-5 | | match details | ||
| 24.07.17 | q 2 | Alex Knaff | Andrea Bessire | 6-1, 6-1 | | match details | ||
| 18.07.17 | 1st round | Mick Lescure | Alex Knaff | 6-2, 7-5 | | match details | Belgium F5 | Clay |
| 17.07.17 | qual. | Alex Knaff | Mark-Flavius Andres | 6-2, 6-0 | | match details | ||
| 17.07.17 | q 2 | Alex Knaff | Fabian Van Der Lans | 1-6, 6-4, 6-1 | | match details | ||
| 12.07.17 | 2nd round | Jan Choinski | Alex Knaff | 7-61, 6-2 | | match details |  Germany F7 | Clay |
| 11.07.17 | 1st round | Alex Knaff | Antoine Walch | 6-3, 6-3 | | match details | ||
| 10.07.17 | q 2 | Alex Knaff | Evgeniy Bankov | 6-3, 7-5 | | match details | ||
| 10.07.17 | qual. | Alex Knaff | Yohei Otsuka | 6-2, 6-3 | | match details | ||
| 03.07.17 | q 2 | Lucas Gerch | Alex Knaff | 6-75, 6-3, 6-4 | | match details | Germany F6 | Clay |
| 29.06.17 | 2nd round | Corentin Denolly | Alex Knaff | 6-4, 6-2 | | match details | Belgium F2 | Clay |
| 28.06.17 | 1st round | Alex Knaff | Thomas Brees | 6-1, 6-2 | | match details | ||
| 26.06.17 | q 2 | Alex Knaff | Thomas Pouleur | 6-3, 6-0 | | match details | ||
| 26.06.17 | qual. | Alex Knaff | Christophe Nickels | 6-2, 6-2 | | match details | ||
| 20.06.17 | 1st round | Mirko Martinez | Alex Knaff | 7-67, 6-2 | | match details | Belgium F1 | Clay |
