By surface
| Surface | Efe Ustundag | Aivaras Balzekas |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2000-07-21 | ATP | Davis Cup G2 PO: TUR vs LTU | Round Robin | Hard | Efe Ustundag | 4-6 | 6-1 | 6-3 | 6-4 |
| Surface | Efe Ustundag | Aivaras Balzekas |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2000-07-21 | ATP | Davis Cup G2 PO: TUR vs LTU | Round Robin | Hard | Efe Ustundag | 4-6 | 6-1 | 6-3 | 6-4 |