| 2012-09-14 | Davis Cup G2 R3: LAT vs UKR | Hard | RR | 152 |  Ernests Gulbis | 174 |  Sergei Bubka | 4-6 6-3 6-4 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2012-07-16 | Atlanta | Hard | R32 | 82 |  Matthew Ebden | 146 | Sergei Bubka (Q) | 5-7 6-1 6-1 | H2H | 3 | 92 | 8 | 4 | 64.9% | 70.8% | 57.7% | 0/2 |
| 2012-07-09 | Newport | Grass | R32 | 11 |  John Isner (1) | 151 | Sergei Bubka (Q) | 7-6(3) 4-6 6-3 | H2H | 3 | 116 | 20 | 4 | 70.3% | 79.5% | 45.5% | 4/5 |
| 2012-04-23 | Barcelona | Clay | R64 | 45 |  Robin Haase | 166 | Sergei Bubka (Q) | 6-1 3-2 RET | H2H | 3 | 48 | 6 | 2 | 57.1% | 90.0% | 53.3% | 0/0 |
| 2012-04-06 | Davis Cup G2 R2: UKR vs CYP | Hard | RR | 167 | Sergei Bubka | - |  Sergis Kyratzis | 6-3 7-6(2) 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2012-03-21 | Miami Masters | Hard | R64 | 14 |  Gael Monfils (14) | 182 | Sergei Bubka (Q) | 6-4 6-4 | H2H | 3 | 78 | 5 | 5 | 54.8% | 82.4% | 60.7% | 2/2 |
| 2012-03-21 | Miami Masters | Hard | R128 | 182 | Sergei Bubka (Q) | 79 | Ernests Gulbis | 6-4 6-4 | H2H | 3 | 68 | 5 | 2 | 63.6% | 85.7% | 35.0% | 1/3 |
| 2012-03-08 | Indian Wells Masters | Hard | R128 | 43 |  Nikolay Davydenko | 191 | Sergei Bubka (Q) | 7-5 6-3 | H2H | 3 | 93 | 2 | 2 | 78.6% | 61.8% | 60.0% | 5/7 |
| 2012-02-27 | Dubai | Hard | R32 | 76 |  Lukas Lacko (Q) | 190 | Sergei Bubka (WC) | 2-6 6-2 7-6(14) | H2H | 3 | 124 | 11 | 2 | 63.2% | 79.1% | 43.6% | 5/8 |
| 2012-01-02 | Doha | Hard | R32 | 116 | SLOGrega Zemlja (Q) | 148 | Sergei Bubka (WC) | 4-6 6-1 6-1 | H2H | 3 | 92 | 3 | 2 | 57.5% | 76.2% | 51.6% | 6/8 |
