| 22‑Oct‑2001 | Basel | Carpet | R32 | 21 | 119 | (WC)George Bastl [SUI] d. (8)Gambill | 6-4 RET | | 0.73 | 20.0% | 0.0% | 53.3% | 68.8% | 57.1% | 0/1 | 0:45 |
| 15‑Oct‑2001 | Stuttgart Masters | Hard | R64 | 21 | 23 | Andrei Pavel [ROU] d. Gambill | 7-5 7-5 | | 0.71 | 11.4% | 0.0% | 48.9% | 76.7% | 48.9% | 7/9 | 1:44 |
| 27‑Aug‑2001 | US Open | Hard | R64 | 19 | 65 | Mikhail Youzhny [RUS] d. (20)Gambill | 6-4 4-1 RET | | 0.57 | 10.2% | 2.0% | 49.0% | 58.3% | 44.0% | 4/8 | 0:53 |
| 27‑Aug‑2001 | US Open | Hard | R128 | 19 | 62 | (20)Gambill d. Cedric Pioline [FRA] | 6-2 6-2 6-4 | | 1.69 | 20.3% | 1.4% | 58.1% | 86.0% | 54.8% | 3/3 | 1:43 |
| 20‑Aug‑2001 | Long Island | Hard | R32 | 20 | 38 | Alberto Martin [ESP] d. (8)Gambill | 3-6 7-6(3) RET | | 0.83 | 11.3% | 2.1% | 58.8% | 64.9% | 50.0% | 7/8 | 1:48 |
| 13‑Aug‑2001 | Washington | Hard | R16 | 18 | 33 | (10)Sjeng Schalken [NED] d. (6)Gambill | W/O | | | | | | | | | |
| 13‑Aug‑2001 | Washington | Hard | R32 | 18 | 72 | (6)Gambill d. Felix Mantilla [ESP] | 6-3 6-1 | | 2.98 | 23.7% | 0.0% | 65.8% | 84.0% | 84.6% | 0/0 | 0:52 |
| 6‑Aug‑2001 | Cincinnati Masters | Hard | QF | 22 | 8 | (7)Tim Henman [GBR] d. Gambill | 4-6 6-2 6-2 | | 0.80 | 8.9% | 10.7% | 49.1% | 60.0% | 40.4% | 14/20 | 2:23 |
| 6‑Aug‑2001 | Cincinnati Masters | Hard | R16 | 22 | 33 | Gambill d. Guillermo Canas [ARG] | 6-3 6-4 | | 1.18 | 9.5% | 8.1% | 51.4% | 84.2% | 50.0% | 5/5 | 1:02 |
| 6‑Aug‑2001 | Cincinnati Masters | Hard | R32 | 22 | 42 | Gambill d. Jiri Novak [CZE] | 7-6(2) 6-2 | | 1.61 | 25.4% | 1.6% | 50.8% | 87.5% | 61.3% | 3/3 | 1:22 |
| 6‑Aug‑2001 | Cincinnati Masters | Hard | R64 | 22 | 20 | Gambill d. (16)Dominik Hrbaty [SVK] | 6-3 6-1 | | 2.43 | 31.7% | 4.9% | 61.0% | 96.0% | 56.3% | 1/1 | 0:56 |
| 30‑Jul‑2001 | Canada Masters | Hard | R16 | 21 | 4 | (4)Juan Carlos Ferrero [ESP] d. (16)Gambill | 2-6 7-6(6) 6-3 | | 0.81 | 17.3% | 3.8% | 54.8% | 70.2% | 57.4% | 12/14 | 2:05 |
| 30‑Jul‑2001 | Canada Masters | Hard | R32 | 21 | 197 | (16)Gambill d. (Q)Noam Behr [ISR] | 6-3 7-6(7) | | 1.16 | 14.7% | 8.0% | 50.7% | 86.8% | 45.9% | 2/4 | 1:35 |
| 30‑Jul‑2001 | Canada Masters | Hard | R64 | 21 | 29 | (16)Gambill d. Sjeng Schalken [NED] | 6-1 6-4 | | 1.64 | 13.0% | 1.9% | 59.3% | 78.1% | 68.2% | 3/3 | 1:02 |
| 23‑Jul‑2001 | Los Angeles | Hard | QF | 19 | 3 | (3)Andre Agassi [USA] d. (5)Gambill | 6-2 7-5 | | 0.61 | 11.3% | 7.0% | 62.0% | 70.5% | 33.3% | 9/12 | 1:23 |
| 23‑Jul‑2001 | Los Angeles | Hard | R16 | 19 | 153 | (5)Gambill d. Paul Goldstein [USA] | 6-1 6-4 | | 1.70 | 9.6% | 3.8% | 55.8% | 82.8% | 60.9% | 1/1 | 1:05 |
| 23‑Jul‑2001 | Los Angeles | Hard | R32 | 19 | 257 | (5)Gambill d. (Q)Michael Joyce [USA] | 6-1 6-3 | | 1.63 | 18.0% | 0.0% | 52.0% | 88.5% | 50.0% | 3/3 | 1:00 |
| 25‑Jun‑2001 | Wimbledon | Grass | R128 | 16 | 97 | Chris Woodruff [USA] d. (12)Gambill | 6-4 3-6 6-7(4) 6-3 6-2 | | 0.83 | 3.7% | 0.5% | 89.0% | 59.4% | 38.1% | 16/24 | 3:49 |
| 18‑Jun‑2001 | Nottingham | Grass | R32 | 14 | 42 | (WC)Greg Rusedski [GBR] d. (1)Gambill | 7-6(6) 7-6(1) | | 0.68 | 9.3% | 5.8% | 52.3% | 80.0% | 43.9% | 3/4 | 1:36 |
| 11‑Jun‑2001 | Queen's Club | Grass | QF | 15 | 4 | (2)Pete Sampras [USA] d. (6)Gambill | 7-6(1) 7-5 | | 1.01 | 14.5% | 4.8% | 53.2% | 81.8% | 65.5% | 1/2 | 1:20 |
| 11‑Jun‑2001 | Queen's Club | Grass | R16 | 15 | 361 | (6)Gambill d. (Q)Gilles Elseneer [BEL] | 6-4 4-6 6-3 | | 1.08 | 14.1% | 2.2% | 57.6% | 69.8% | 48.7% | 3/6 | 1:47 |
| 11‑Jun‑2001 | Queen's Club | Grass | R32 | 15 | 106 | (6)Gambill d. Justin Gimelstob [USA] | 6-3 7-5 | | 1.35 | 20.3% | 1.6% | 64.1% | 80.5% | 56.5% | 2/2 | 1:25 |
| 28‑May‑2001 | Roland Garros | Clay | R128 | 15 | 118 | (Q)Kristian Pless [DEN] d. (15)Gambill | 4-6 6-2 6-4 7-5 | | 0.76 | 7.9% | 5.6% | 51.6% | 76.9% | 45.9% | 7/11 | 2:24 |
| 21‑May‑2001 | Dusseldorf | Clay | RR | 15 | 90 | Mariano Puerta [ARG] d. Gambill | 7-6(2) 6-4 | | 0.96 | 12.5% | 5.6% | 54.2% | 71.8% | 42.4% | 6/10 | 1:43 |
| 21‑May‑2001 | Dusseldorf | Clay | RR | 15 | 7 | Yevgeny Kafelnikov [RUS] d. Gambill | 6-4 5-7 6-2 | | 0.94 | 20.8% | 8.3% | 50.0% | 70.8% | 45.8% | 6/11 | 1:58 |
| 21‑May‑2001 | Dusseldorf | Clay | RR | 15 | 12 | Arnaud Clement [FRA] d. Gambill | 7-6(2) 6-3 | | 0.70 | 10.8% | 3.6% | 39.8% | 78.8% | 42.0% | 7/10 | 1:44 |
| 14‑May‑2001 | Hamburg Masters | Clay | R16 | 15 | 23 | Thomas Johansson [SWE] d. (14)Gambill | 3-6 6-4 6-4 | | 0.90 | 12.9% | 3.2% | 53.8% | 76.0% | 48.8% | 10/13 | 2:16 |
| 14‑May‑2001 | Hamburg Masters | Clay | R32 | 15 | 26 | (14)Gambill d. Marcelo Rios [CHI] | 6-3 6-4 | | 1.31 | 11.5% | 6.6% | 50.8% | 71.0% | 56.7% | 3/5 | 1:19 |
| 14‑May‑2001 | Hamburg Masters | Clay | R64 | 15 | 162 | (14)Gambill d. (WC)Axel Pretzsch [GER] | 6-2 7-5 | | 1.38 | 16.4% | 9.1% | 58.2% | 84.4% | 47.8% | 1/2 | 1:11 |
| 7‑May‑2001 | Rome Masters | Clay | R64 | 15 | 25 | Guillermo Coria [ARG] d. (14)Gambill | 7-5 6-4 | | 0.86 | 5.2% | 7.8% | 50.6% | 66.7% | 50.0% | 7/10 | 1:39 |
| 30‑Apr‑2001 | Houston | Clay | R32 | 15 | 162 | (Q)Christian Ruud [NOR] d. (1)Gambill | 7-5 3-6 6-2 | | 0.66 | 13.5% | 11.7% | 50.5% | 71.4% | 40.0% | 13/17 | 2:17 |
| 19‑Mar‑2001 | Miami Masters | Hard | F | 19 | 3 | (3)Andre Agassi [USA] d. (19)Gambill | 7-6(4) 6-1 6-0 | (ch) | 0.62 | 12.3% | 5.5% | 41.1% | 73.3% | 39.5% | 2/8 | 1:51 |
| 19‑Mar‑2001 | Miami Masters | Hard | SF | 19 | 7 | (19)Gambill d. (7)Lleyton Hewitt [AUS] | 7-5 6-4 | (ch) | 1.04 | 12.6% | 6.9% | 52.9% | 73.9% | 43.9% | 9/11 | 1:58 |
| 19‑Mar‑2001 | Miami Masters | Hard | QF | 19 | 31 | (19)Gambill d. (31)Gaston Gaudio [ARG] | 3-6 7-5 6-4 | | 1.01 | 4.2% | 4.2% | 50.8% | 65.6% | 37.3% | 14/21 | 2:31 |
| 19‑Mar‑2001 | Miami Masters | Hard | R16 | 19 | 44 | (19)Gambill d. Jonas Bjorkman [SWE] | 6-1 6-2 | | 1.73 | 10.4% | 0.0% | 56.3% | 81.5% | 47.6% | 2/3 | 1:05 |
| 19‑Mar‑2001 | Miami Masters | Hard | R32 | 19 | 14 | (19)Gambill d. (14)Thomas Enqvist [SWE] | 7-5 6-7(7) 6-1 | | 1.38 | 25.7% | 5.9% | 60.4% | 80.3% | 50.0% | 6/9 | 2:16 |
| 19‑Mar‑2001 | Miami Masters | Hard | R64 | 19 | 40 | (19)Gambill d. Andrew Ilie [AUS] | 6-7(7) 7-6(6) 6-3 | | 0.95 | 20.5% | 5.1% | 46.2% | 88.9% | 42.9% | 1/2 | 2:28 |
| 12‑Mar‑2001 | Indian Wells Masters | Hard | QF | 19 | 6 | (7)Yevgeny Kafelnikov [RUS] d. Gambill | 6-4 6-3 | | 0.79 | 16.7% | 8.3% | 56.7% | 82.4% | 38.5% | 2/5 | 1:20 |
| 12‑Mar‑2001 | Indian Wells Masters | Hard | R16 | 19 | 1 | Gambill d. (1)Gustavo Kuerten [BRA] | 7-6(5) 6-4 | | 1.05 | 13.3% | 4.0% | 58.7% | 77.3% | 51.6% | 1/2 | 1:36 |
| 12‑Mar‑2001 | Indian Wells Masters | Hard | R32 | 19 | 37 | Gambill d. Fernando Vicente [ESP] | 6-3 6-2 | | 1.41 | 11.7% | 5.0% | 53.3% | 78.1% | 60.7% | 2/2 | 1:07 |
| 12‑Mar‑2001 | Indian Wells Masters | Hard | R64 | 19 | 14 | Gambill d. (14)Dominik Hrbaty [SVK] | 6-4 6-3 | | 1.38 | 23.3% | 1.7% | 58.3% | 85.7% | 52.0% | 2/2 | 1:13 |
| 5‑Mar‑2001 | Delray Beach | Hard | F | 24 | 101 | (4)Gambill d. Xavier Malisse [BEL] | 7-5 6-4 | | 1.25 | 15.9% | 4.3% | 53.6% | 73.0% | 65.6% | 2/2 | 1:41 |
| 5‑Mar‑2001 | Delray Beach | Hard | SF | 24 | 70 | (4)Gambill d. Wayne Arthurs [AUS] | 6-3 6-7(3) 7-6(8) | | 1.24 | 8.5% | 2.8% | 44.3% | 78.7% | 61.0% | 4/6 | 2:47 |
| 5‑Mar‑2001 | Delray Beach | Hard | QF | 24 | 93 | (4)Gambill d. Chris Woodruff [USA] | 5-7 7-6(9) 6-4 | | 1.07 | 14.4% | 2.7% | 57.7% | 73.4% | 48.9% | 6/9 | 2:33 |
| 5‑Mar‑2001 | Delray Beach | Hard | R16 | 24 | 41 | (4)Gambill d. Greg Rusedski [GBR] | W/O | | | | | | | | | |
| 5‑Mar‑2001 | Delray Beach | Hard | R32 | 24 | 72 | (4)Gambill d. Sergi Bruguera [ESP] | 6-3 6-4 | | 1.46 | 11.5% | 1.9% | 51.9% | 85.2% | 60.0% | 2/3 | 1:02 |
| 26‑Feb‑2001 | San Jose | Hard | SF | 26 | 4 | (1)Andre Agassi [USA] d. (6)Gambill | 6-4 6-4 | | 0.65 | 16.7% | 6.7% | 51.7% | 77.4% | 37.9% | 5/8 | 1:15 |
| 26‑Feb‑2001 | San Jose | Hard | QF | 26 | 72 | (6)Gambill d. Juan Balcells [ESP] | 6-2 6-0 | | 1.81 | 28.0% | 2.0% | 58.0% | 75.9% | 57.1% | 3/3 | 1:00 |
| 26‑Feb‑2001 | San Jose | Hard | R16 | 26 | 123 | (6)Gambill d. (WC)Andy Roddick [USA] | 7-6(5) 7-6(1) | | 0.94 | 14.7% | 10.7% | 48.0% | 91.7% | 64.1% | 2/2 | 1:32 |
| 26‑Feb‑2001 | San Jose | Hard | R32 | 26 | 130 | (6)Gambill d. Andre Sa [BRA] | 6-3 6-7(0) 6-3 | | 1.13 | 13.0% | 7.6% | 54.3% | 74.0% | 52.4% | 2/4 | 2:06 |
| 19‑Feb‑2001 | Memphis | Hard | QF | 28 | 21 | (3)Tommy Haas [GER] d. (5)Gambill | 6-4 6-2 | | 0.67 | 23.7% | 1.7% | 62.7% | 70.3% | 40.9% | 10/13 | 1:08 |
| 19‑Feb‑2001 | Memphis | Hard | R16 | 28 | 74 | (5)Gambill d. (11)Juan Balcells [ESP] | 6-0 7-5 | | 1.98 | 20.4% | 2.0% | 69.4% | 94.1% | 33.3% | 0/0 | 1:04 |
| 19‑Feb‑2001 | Memphis | Hard | R32 | 28 | 120 | (5)Gambill d. Xavier Malisse [BEL] | 7-6(2) 6-3 | | 1.29 | 10.3% | 2.9% | 69.1% | 76.6% | 71.4% | 2/2 | 1:21 |
| 9‑Feb‑2001 | Davis Cup WG R1: SUI vs USA | Hard | RR | 28 | 79 | Gambill d. Michel Kratochvil [SUI] | 6-3 7-5 6-4 | | | | | | | | | |
| 9‑Feb‑2001 | Davis Cup WG R1: SUI vs USA | Hard | RR | 28 | 22 | Roger Federer [SUI] d. Gambill | 7-5 6-2 4-6 6-2 | | | | | | | | | |
| 29‑Jan‑2001 | Milan | Carpet | QF | 30 | 67 | Julien Boutter [FRA] d. Gambill | 6-4 6-4 | | 0.94 | 7.1% | 0.0% | 48.2% | 70.4% | 62.1% | 2/4 | 1:23 |
| 29‑Jan‑2001 | Milan | Carpet | R16 | 30 | 80 | Gambill d. Sergi Bruguera [ESP] | 6-3 7-5 | | 1.50 | 19.1% | 0.0% | 61.8% | 81.0% | 57.7% | 5/6 | 1:21 |
| 29‑Jan‑2001 | Milan | Carpet | R32 | 30 | 28 | Gambill d. (6)Sjeng Schalken [NED] | 6-1 6-7(3) 6-2 | | 1.13 | 7.8% | 4.7% | 50.4% | 76.9% | 45.3% | 9/10 | 2:26 |
| 15‑Jan‑2001 | Australian Open | Hard | R128 | 32 | 68 | Chris Woodruff [USA] d. Gambill | 6-3 4-6 4-6 7-5 6-3 | | 0.91 | 9.6% | 6.4% | 55.6% | 63.5% | 53.0% | 17/23 | 4:03 |
| 8‑Jan‑2001 | Auckland | Hard | QF | 33 | 47 | Francisco Clavet [ESP] d. (3)Gambill | 6-4 6-4 | | 0.86 | 14.3% | 3.6% | 55.4% | 80.6% | 52.0% | 2/4 | 1:15 |
| 8‑Jan‑2001 | Auckland | Hard | R16 | 33 | 50 | (3)Gambill d. Andreas Vinciguerra [SWE] | 6-4 6-4 | | 1.26 | 16.9% | 5.1% | 49.2% | 89.7% | 46.7% | 2/3 | 1:19 |
| 8‑Jan‑2001 | Auckland | Hard | R32 | 33 | 67 | (3)Gambill d. Nicolas Massu [CHI] | 7-6(4) 6-4 | | 1.24 | 22.4% | 7.5% | 49.3% | 81.8% | 41.2% | 1/4 | 1:43 |