Head to head
2
Hard
1
4
Clay
0
0
Carpet
1
Juan Ignacio Chela's wins on the left · Nikolay Davydenko's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 2010 | Valencia | Hard | R16 | Nikolay Davydenko | 7-6(0) 6-2 |
| 2010 | Umag | Clay | QF | Juan Ignacio Chela | 6-2 6-1 |
| 2006 | Davis Cup WG F: RUS vs ARG | Carpet | RR | Nikolay Davydenko | 6-1 6-2 5-7 6-4 |
| 2006 | Cincinnati Masters | Hard | R64 | Juan Ignacio Chela | 6-4 2-6 6-2 |
| 2005 | New Haven | Hard | R32 | Juan Ignacio Chela | 6-1 7-6(5) |
| 2002 | Kitzbuhel | Clay | R16 | Juan Ignacio Chela | 6-0 6-1 |
| 2002 | Rome Masters | Clay | R64 | Juan Ignacio Chela | 6-1 2-6 6-1 |
| 2001 | Amsterdam | Clay | R16 | Juan Ignacio Chela | 6-2 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.