| 9‑Apr‑2012 | Houston | Clay | R16 | 9 | 136 | (Q)Michael Russell [USA] d. (1)Fish | 6-3 6-1 | | 0.59 | 5.8% | 9.6% | 51.9% | 55.6% | 28.0% | 3/8 | 1:14 |
| 4‑Apr‑2011 | Houston | Clay | QF | 11 | 61 | (6)Kei Nishikori [JPN] d. (1)Fish | 6-3 6-2 | | 0.51 | 2.4% | 4.8% | 66.7% | 60.7% | 50.0% | 2/5 | 1:11 |
| 4‑Apr‑2011 | Houston | Clay | R16 | 11 | 113 | (1)Fish d. Albert Ramos [ESP] | 6-3 6-4 | | 1.33 | 4.8% | 3.2% | 57.1% | 75.0% | 59.3% | 8/9 | 1:33 |
| 6‑Apr‑2009 | Houston | Clay | R32 | 28 | 77 | Bjorn Phau [GER] d. (2)Fish | 6-3 5-7 6-3 | | 0.76 | 7.1% | 1.2% | 61.9% | 69.2% | 56.3% | 2/6 | 2:01 |
| 14‑Apr‑2008 | Houston | Clay | QF | 42 | 73 | (8)Oscar Hernandez [ESP] d. (3)Fish | 6-2 7-6(5) | | 0.68 | 8.1% | 4.7% | 41.9% | 77.8% | 38.0% | 6/10 | 1:47 |
| 14‑Apr‑2008 | Houston | Clay | R16 | 42 | 205 | (3)Fish d. (WC)Hugo Armando [USA] | 6-3 6-2 | | 1.32 | 13.6% | 3.0% | 56.1% | 75.7% | 48.3% | 5/6 | 1:19 |
| 14‑Apr‑2008 | Houston | Clay | R32 | 42 | 87 | (3)Fish d. Rainer Schuettler [GER] | 7-6(4) 6-3 | | 1.63 | 17.7% | 4.8% | 51.6% | 84.4% | 66.7% | 0/1 | 1:22 |
| 9‑Apr‑2007 | Houston | Clay | R16 | 24 | 156 | (Q)Mariano Zabaleta [ARG] d. (4)Fish | 7-5 6-4 | | 0.91 | 7.9% | 0.0% | 46.0% | 82.8% | 44.1% | 4/8 | 1:40 |
| 9‑Apr‑2007 | Houston | Clay | R32 | 24 | 62 | (4)Fish d. Martin Vassallo Arguello [ARG] | 5-7 6-2 7-5 | | 1.14 | 5.5% | 6.6% | 49.5% | 75.6% | 43.5% | 7/12 | 2:32 |
| 10‑Apr‑2006 | Houston | Clay | F | 212 | 72 | (WC)Fish d. Jurgen Melzer [AUT] | 3-6 6-4 6-3 | | 1.21 | 7.4% | 7.4% | 56.8% | 84.8% | 48.6% | 4/6 | 1:52 |
| 10‑Apr‑2006 | Houston | Clay | SF | 212 | 27 | (WC)Fish d. (5)Tommy Haas [GER] | 4-1 RET | | 3.50 | 21.4% | 0.0% | 71.4% | 90.0% | 75.0% | 0/0 | 0:18 |
| 10‑Apr‑2006 | Houston | Clay | QF | 212 | 76 | (WC)Fish d. Vincent Spadea [USA] | 4-6 7-6(1) 6-2 | | 1.09 | 3.6% | 2.7% | 52.7% | 65.5% | 51.9% | 10/15 | 2:21 |
| 10‑Apr‑2006 | Houston | Clay | R16 | 212 | 75 | (WC)Fish d. Rainer Schuettler [GER] | W/O | | | | | | | | | |
| 10‑Apr‑2006 | Houston | Clay | R32 | 212 | 91 | (WC)Fish d. (8)Juan Monaco [ARG] | 6-2 1-6 7-6(5) | | 1.01 | 10.4% | 3.5% | 56.5% | 67.7% | 50.0% | 15/18 | 2:29 |
| 18‑Apr‑2005 | Houston | Clay | R32 | 56 | 73 | Robby Ginepri [USA] d. Fish | 6-1 6-4 | | 0.77 | 8.2% | 0.0% | 59.2% | 55.2% | 55.0% | 4/7 | 1:13 |
| 12‑Apr‑2004 | Houston | Clay | R32 | 18 | 102 | Alex Bogomolov Jr [RUS] d. (2)Fish | 6-3 6-1 | | 0.65 | 5.5% | 12.3% | 47.9% | 65.7% | 28.9% | 11/16 | 1:14 |
| 21‑Apr‑2003 | Houston | Clay | QF | 55 | 102 | Jurgen Melzer [AUT] d. Fish | 7-5 2-6 7-5 | | 0.95 | 12.6% | 4.2% | 44.5% | 73.6% | 42.4% | 15/20 | 2:20 |
| 21‑Apr‑2003 | Houston | Clay | R16 | 55 | 78 | Fish d. Luis Horna [PER] | 6-2 6-4 | | 1.76 | 20.0% | 3.6% | 56.4% | 77.4% | 66.7% | 8/9 | 1:19 |
| 21‑Apr‑2003 | Houston | Clay | R32 | 55 | 136 | Fish d. (Q)Sergio Roitman [ARG] | 6-3 6-3 | | 2.16 | 11.4% | 6.8% | 45.5% | 90.0% | 75.0% | 0/0 | 1:03 |
| 30‑Apr‑2001 | Houston | Clay | R32 | 192 | 122 | Andrea Gaudenzi [ITA] d. (WC)Fish | 6-4 6-4 | | 0.98 | 5.4% | 8.9% | 48.2% | 63.0% | 48.3% | 4/9 | 1:27 |