World no.25 Lucia Sainz Pelegri and Sofia Saiz Vallejo (no.44) knocked out Aida Martinez Sanjuan (no.67) and Natividad Lopez Diaz (no.73) in the Round of 16 in Rotterdam at the Rotterdam P2 2026 after winning in 3 sets, 2-6 6-3 6-2.
Form as a partnership
Sainz Pelegri and Saiz Vallejo have built a meaningful body of work together, posting 3 victories from 8 matches during the previous 12 months. Their 38% win rate spans 6 tournaments. Martinez Sanjuan and Lopez Diaz have likewise assembled a meaningful run as partners, winning 7 of their 12 completed matches across the previous 12 months. Their 58% win rate spans 4 tournaments.
Statistics
Sainz Pelegri and Saiz Vallejo won 52% of the total points converting 24% of the points.
They conquered 59% points on 1st serve and they were particularly effective on second serve to win 64% of the points.
Sainz Pelegri and Saiz Vallejo managed to win 5 consecutive points, while the longest streak of Martinez Sanjuan and Lopez Diaz was of 6 points.
Sainz Pelegri and Saiz Vallejo will fight against each other the upcoming match in the Round of 8 against Sanchez (no.4) and Ustero (no.7). They have not played one another so far.
How the match was won
Sainz Pelegri and Saiz Vallejo controlled the overall balance of the contest, winning 52% of all points compared with 48% for Martinez Sanjuan and Lopez Diaz. That 4-point percentage advantage explains the 2-6 6-3 6-2 scoreline and the winners’ ability to stay ahead across the match.
Sainz Pelegri and Saiz Vallejo built the victory on serve, taking 60% of their service points against 54% for their opponents. Their first-serve performance was decisive: the winners claimed 59% behind the first serve, while Martinez Sanjuan and Lopez Diaz managed 55%. On second serve the figures were 64% and 50%, respectively.
The difference was also clear on return, where Sainz Pelegri and Saiz Vallejo won 46% of the available points compared with 40%. They converted 24% of their break-point opportunities, while Martinez Sanjuan and Lopez Diaz converted 33%, giving the winning pair the greater impact in the pressure games.
Set by set, the numbers show how the result developed: in set 1 (2-6) they won 40% of the points to 60%; in set 2 (6-3) they won 57% of the points to 43%; in set 3 (6-2) they won 58% of the points to 42%.
The contest lasted 1 hour and 56 minutes, and it was played on Court 2. Sainz Pelegri and Saiz Vallejo produced the stronger momentum run with 5 consecutive points; the best sequence from Martinez Sanjuan and Lopez Diaz was 6.
Last matches
Recent results for the winning pair.
| Winning pair | Opponents | Score | Round | Tournament |
|---|---|---|---|---|
| Sainz/Saiz | Martinez/Lopez | 2-6 6-3 6-2 | Round of 16 | Rotterdam P2 2026 |
| Guinart/Alonso | Saiz/Sainz | 6-0 6-2 | Round of 8 | Paris Major 2026 |
| Sainz/Saiz | Martinez/Lopez | 6-0 6-1 | Round of 16 | Paris Major 2026 |
| Rufo/Iglesias | Sainz/Saiz | 6-3 5-7 6-2 | Round of 16 | Madrid P1 2026 |
Click here to see all the matches
Latest results from this round
| Winning pair | Opponents | Score | Round |
|---|---|---|---|
| Castello/Talavan | Koek/Weterings | 6-1 6-2 | Round of 16 |
| Montes/Barrera | Lopez/Fassio | 2-6 6-4 7-64 | Round of 16 |
| Bidahorria/Riera | Arruabarrena/Marchetti | 6-4 6-2 | Round of 16 |
| Sainz/Saiz | Martinez/Lopez | 2-6 6-3 6-2 | Round of 16 |
| Caldera/Goenaga | Navarro/Borrero | 6-4 6-3 | Round of 16 |
| Rufo/Iglesias | Canovas/Rodriguez | 7-5 0-6 7-64 | Round of 16 |
| Godallier/Valenzuela | Caparros/Perez | 6-1 6-3 | Round of 16 |
| Collombon/Sharifova | Bellver/Dominguez | 6-4 6-3 | Round of 16 |
