| Country (sports) |  Luxembourg |
|---|---|
| Born | 26 November 1997 Luxembourg City, Luxembourg |
| Height | 6 ft 4 in(193cm) |
| Plays | Right-handed (two-handed backhand) |
| College | Florida State |
| Coach | Gilles Müller |
| Prize money | $24,067 |
| Singles | |
| Career record | 2–6 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 0 Challenger, 2 Futures |
| Highest ranking | No. 486 (11 September 2023) |
| Doubles | |
| Career record | 4–2 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 0 Challenger, 7 Futures |
| Highest ranking | No. 364 (11 September 2023) |
| Last updated on: 30 October 2023. | |
Alex Knaff (born 26 November 1997) is a Luxembourgish tennis player.
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Knaff has a career high ATP singles ranking of 486 achieved on 11 September 2023. He also has a career high ATP doubles ranking of 364 achieved on 11 September 2023.
Knaff represents Luxembourg at the Davis Cup since 2015, where he has a W/L record of 12–10.
Knaff played college tennis at Florida State University. [1]
