| 1991-09-20 | Davis Cup WG PO: BRA vs IND | Clay | RR | 96 |  Jaime Oncins | 157 |  Ramesh Krishnan | 6-2 6-2 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1991-09-20 | Davis Cup WG PO: BRA vs IND | Clay | RR | 74 | Luiz Mattar | 157 | Ramesh Krishnan | 5-7 6-3 6-3 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1991-09-09 | Brasilia | Carpet | R16 | 205 |  Sandon Stolle | 165 | Ramesh Krishnan (15) | 2-6 6-2 7-6(1) | H2H | 3 | 120 | 2 | 6 | 55.8% | 77.1% | 52.6% | 3/6 |
| 1991-09-09 | Brasilia | Carpet | R32 | 165 | Ramesh Krishnan (15) | 176 | Jose Daher | 7-5 6-1 | H2H | 3 | 87 | 1 | 3 | 71.2% | 70.2% | 42.1% | 3/4 |
| 1991-08-26 | US Open | Hard | R128 | 101 |  Jeff Tarango | 163 | Ramesh Krishnan | 6-2 6-1 6-7(5) 5-7 6-3 | H2H | 5 | 175 | 6 | 17 | 55.5% | 76.9% | 46.6% | 7/11 |
| 1991-08-19 | Schenectady | Hard | R32 | 104 | Chuck Adams (Q) | 111 | Ramesh Krishnan | 6-3 6-4 | H2H | 3 | 80 | 4 | 4 | 52.0% | 96.2% | 33.3% | 1/3 |
| 1991-08-12 | Indianapolis | Hard | R64 | 113 | Todd Witsken | 109 | Ramesh Krishnan | 6-1 4-6 6-1 | H2H | 3 | 105 | 6 | 2 | 55.7% | 61.5% | 51.6% | 0/4 |
| 1991-08-05 | Cincinnati Masters | Hard | R64 | 75 |  Wayne Ferreira | 111 | Ramesh Krishnan | 6-1 6-3 | H2H | 3 | 52 | 9 | 1 | 53.7% | 95.5% | 57.9% | 0/0 |
| 1991-07-29 | Los Angeles | Hard | R32 | 2 |  Stefan Edberg (1) | 111 | Ramesh Krishnan | 6-4 6-3 | H2H | 3 | 80 | 1 | 2 | 62.9% | 56.4% | 52.2% | 5/8 |
| 1991-07-22 | Canada Masters | Hard | R64 | 55 |  Amos Mansdorf (16) | 99 | Ramesh Krishnan | 6-2 6-2 | H2H | 3 | 52 | 6 | 0 | 68.6% | 87.5% | 100.0% | 0/0 |
