| 8‑Jun‑2009 | Halle | Grass | R32 | 50 | 28 | (7)Jurgen Melzer [AUT] d. Clement | 1-6 6-3 6-2 | | 0.92 | 3.9% | 2.6% | 49.4% | 60.5% | 61.5% | 4/7 | 1:51 |
| 12‑Jun‑2006 | Halle | Grass | R16 | 59 | 49 | Fabrice Santoro [FRA] d. Clement | 6-4 7-6(2) | | 0.95 | 4.5% | 0.0% | 68.7% | 65.2% | 57.1% | 6/9 | 1:42 |
| 12‑Jun‑2006 | Halle | Grass | R32 | 59 | 140 | Clement d. (LL)Kristian Pless [DEN] | 7-5 6-3 | | 1.65 | 10.7% | 0.0% | 76.8% | 72.1% | 76.9% | 3/4 | 1:16 |
| 7‑Jun‑2004 | Halle | Grass | QF | 37 | 1 | (1)Roger Federer [SUI] d. Clement | 6-3 7-5 | | 0.55 | 1.6% | 0.0% | 66.1% | 63.4% | 57.1% | 2/4 | 1:12 |
| 7‑Jun‑2004 | Halle | Grass | R16 | 37 | 84 | Clement d. Alexander Popp [GER] | 7-6(4) 6-2 | | 1.30 | 6.1% | 6.1% | 54.5% | 77.8% | 43.3% | 2/4 | 1:36 |
| 7‑Jun‑2004 | Halle | Grass | R32 | 37 | 187 | Clement d. (WC)Alexander Waske [GER] | 6-1 6-4 | | 2.62 | 4.5% | 4.5% | 43.2% | 100.0% | 68.0% | 0/0 | 1:15 |
| 9‑Jun‑2003 | Halle | Grass | SF | 34 | 73 | Nicolas Kiefer [GER] d. (8)Clement | 4-6 7-6(4) 6-4 | | 0.93 | 4.7% | 3.7% | 52.3% | 80.4% | 49.0% | 8/9 | 2:49 |
| 9‑Jun‑2003 | Halle | Grass | QF | 34 | 46 | (8)Clement d. Karol Kucera [SVK] | 7-5 6-7(5) 7-6(6) | | 1.04 | 9.4% | 2.2% | 69.1% | 70.8% | 44.2% | 9/12 | 3:23 |
| 9‑Jun‑2003 | Halle | Grass | R16 | 34 | 38 | (8)Clement d. Ivan Ljubicic [CRO] | 6-4 6-2 | | 2.06 | 11.4% | 4.5% | 56.8% | 88.0% | 73.7% | 0/0 | 1:05 |
| 9‑Jun‑2003 | Halle | Grass | R32 | 34 | 346 | (8)Clement d. (Q)Frederic Niemeyer [CAN] | 6-3 6-0 | | 2.42 | 0.0% | 0.0% | 54.1% | 85.0% | 70.6% | 1/1 | 0:50 |
| 11‑Jun‑2001 | Halle | Grass | R32 | 12 | 27 | Nicolas Kiefer [GER] d. (4)Clement | 6-3 6-4 | | 0.54 | 7.3% | 3.6% | 61.8% | 64.7% | 47.6% | 5/8 | 1:06 |
| 12‑Jun‑2000 | Halle | Grass | R32 | 57 | 38 | Roger Federer [SUI] d. Clement | 6-4 6-2 | | 0.69 | 3.4% | 10.2% | 37.3% | 63.6% | 43.2% | 7/12 | 1:09 |