ATP Challenger Tour · Round of 32 · Antofagasta
Final score & match stats
Playing styles and historical archetype record
Vallejo
⚔️ The Gladiator
Collarini
⚔️ The Gladiator
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Vallejo | Collarini |
|---|---|---|
| W-L | 15–4 | 2–6 |
| Avg odds | 1.41 | 1.76 |
| ROI % | +11.9% | -61.6% |
| Units P/L | +2.26u | -4.93u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Prior meetings and scores · 1 career meeting
1
Vallejo
0
Collarini
Results vs. opponents both players faced · Last 12 months
Vallejo has a higher win rate against shared opponents (90% vs Collarini's 50%).
| Opponent | Vallejo | Collarini |
|---|---|---|
| Genaro Alberto Olivieri | L 36 26 | L 16 64 67 |
| Gonzalo Villanueva | W 63 64 | W 64 64 |
| Eduardo Ribeiro | W 75 62 | W 62 75 |
| Lucio Ratti | W 62 61 | W 76 64 |
| Thiago Seyboth Wild | W 75 46 62 | L 67 76 46 |
| Nikolas Sanchez Izquierdo | W 64 61 | L 63 26 16 |
| Joao Lucas Reis Da Silva | W 36 63 61 | L 26 46 |
| Juan Pablo Varillas | W 64 62 | W 16 62 64 |
| Pedro Boscardin Dias | W 62 64 | W 64 62 |
| Alvaro Guillen Meza | W 46 62 63 | L 26 64 36 |
Serve and return comparison · Last 90 days
| Stat | Vallejo | Collarini |
|---|---|---|
| Serve | ||
| 1st Serve In % | 62.7% | 60.7% |
| 1st Serve Pts Won % | 70.2% | 67.2% |
| 2nd Serve Pts Won % | 54.6% | 47.5% |
| Aces / Match | 3.7 | 2.6 |
| Double Faults / Match | 2.4 | 3.6 |
| Break Points Saved % | 45.9% | 45.4% |
| Return | ||
| 1st Return Pts Won % | 39.5% | 35.5% |
| 2nd Return Pts Won % | 54.5% | 52.6% |
| BP Converted % | 49.3% | 47.5% |
| Rally | ||
| Winners / Match | 23 | 26.3 |
| Unforced Errors / Match | 25.7 | 46.1 |
| Net Pts Won % | 75.7% | 74.4% |
| Total Pts Won % | 54.9% | 49.9% |
| Surface (Clay) | ||
| Clay Win % | 76% | 25% |
Last five matches per player
Learner Tien
Mutua Madrid Open · Round of 64
Apr 25
Grigor Dimitrov
Mutua Madrid Open · Round of 128
Apr 23
Henrique Rocha
Mutua Madrid Open · 2nd Round Qualifying
Apr 21
Pedro Martinez
Mutua Madrid Open · 1st Round Qualifying
Apr 20
Tommy Paul
Fayez Sarofim & Co. U.S. Men's Clay Court Championship · Round of 16
Apr 1
Genaro Alberto Olivieri
Challenger de Santiago - Dove Men Care · Round of 16
Mar 11
Daniel Dutra da Silva
AAT Challenger IEB+ Edicion Tigre II · Round of 32
Feb 24
Gonzalo Bueno
AAT Challenger IEB+ Edicion Tigre I · Quarterfinals
Feb 20
Juan Bautista Torres
AAT Challenger IEB+ Edicion Tigre I · Round of 16
Feb 19
Lucio Ratti
AAT Challenger IEB+ Edicion Tigre I · Round of 32
Feb 18
Matchup overview
Adolfo Daniel Vallejo and Andrea Collarini face off in the Round of 32 at Antofagasta on Clay.
Adolfo Daniel Vallejo leads 1-0 over 1 previous meeting.
Adolfo Daniel Vallejo is 4-1 over the last 5 matches. Latest result: W vs Learner Tien (Apr 25).
Andrea Collarini is 2-3 over the last 5 matches. Latest result: L vs Genaro Alberto Olivieri (Mar 11).
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