Alex Knaff
ATP · World No. 668 · LUX · Right-handed · 193 cm
At a glance
Elo
1535
Hard Elo
1542
Clay Elo
1480
Grass Elo
—
Last 52w win%
0%
Last 10
7-3
Tiebreak win%
50%
Deciding-set win%
100%
Surface splits
Serve & return points won, hold/break and ace rates, broken out by surface. Win% is heat-shaded against a 50% baseline.
Career by surface
career
| Surface | M | W-L | Win% | Serve% | Return% | Hold% | Break% | Ace% |
|---|---|---|---|---|---|---|---|---|
| All | 10 | 7-3 | 70% | 62% | 38% | 102% | 38% | 4.1% |
| Hard | 3 | 3-0 | 100% | 69% | 44% | 88% | 44% | 7.2% |
| Clay | 5 | 2-3 | 40% | 56% | 32% | 113% | 32% | 1.6% |
Last 52 weeks
rolling
| Surface | M | W-L | Win% | Serve% | Return% | Hold% | Break% | Ace% |
|---|---|---|---|---|---|---|---|---|
| All | 1 | 0-1 | 0% | 47% | 27% | 238% | 27% | 1.9% |
| Clay | 1 | 0-1 | 0% | 47% | 27% | 238% | 27% | 1.9% |
Recent matches
| Date | Tournament | Surf | Rd | R | Opponent | Score |
|---|---|---|---|---|---|---|
| Sep 12, 2025 | Davis Cup WG1 R1: CHI vs LUX · Davis Cup | Clay | RR | L | Tomas Barrios Vera | 6-1 6-2 |
| Feb 1, 2025 | Davis Cup WG1 PO: LUX vs LTU · Davis Cup | Hard | RR | W | Vilius Gaubas | 6-4 3-6 6-2 |
| Sep 14, 2024 | Davis Cup WG2 R1: NZL vs LUX · Davis Cup | Hard | RR | W | Rubin Statham | 6-3 6-2 |
| Sep 14, 2024 | Davis Cup WG2 R1: NZL vs LUX · Davis Cup | Hard | RR | W | Kiranpal Pannu | 6-1 6-7(8) 7-5 |
| Feb 2, 2024 | Davis Cup WG1 PO: COL vs LUX · Davis Cup | Clay | RR | L | Nicolas Mejia | 6-2 6-3 |
| Feb 2, 2024 | Davis Cup WG1 PO: COL vs LUX · Davis Cup | Clay | RR | W | Adria Soriano Barrera | 6-4 2-6 6-4 |
| Sep 15, 2023 | Davis Cup WG2 R1: SLO vs LUX · Davis Cup | Clay | RR | L | Blaz Rola | 6-4 6-2 |
| Sep 15, 2023 | Davis Cup WG2 R1: SLO vs LUX · Davis Cup | Clay | RR | W | Bor Artnak | 3-6 7-6(5) 6-2 |
| Feb 4, 2023 | Davis Cup WG2 PO: RSA vs LUX · Davis Cup | — | RR | W | Kris Van Wyk | 3-6 6-3 6-4 |
| Feb 4, 2023 | Davis Cup WG2 PO: RSA vs LUX · Davis Cup | — | RR | W | Alec Beckley | 4-6 6-3 6-3 |