Valentin Vacherot pulled off a significant upset at the Miami Open on March 23, defeating former top-10 player Matteo Berrettini 7-6(5), 6-4 in the Round of 32. The Chilean secured his second career title shot by exploiting Berrettini’s vulnerable second serve, winning 68% of those points compared to the Italian’s paltry 47%, a 21-percentage-point chasm that proved decisive across two tight sets.
The first set unfolded without a single break point opportunity for either player—a testament to dominant serving on both sides. Berrettini edged the ace count 6-4 and landed 68% of first serves, yet Vacherot matched him stroke for stroke on primary deliveries (86% points won vs. 83%). The tiebreak became the inevitable battleground, and Vacherot seized control at 5-5, closing 7-5 to claim a set that could have swung either way. That momentum carried into the second, where Vacherot’s ability to punish Berrettini’s weaker second offerings finally materialized in a decisive break. He served out the match at 6-4, converting his superior second-serve return game into a straight-sets victory.
Berrettini’s powerful first serve kept him competitive throughout, but his 47% win rate on second-serve points exposed a fatal vulnerability. Vacherot won 66 total points to Berrettini’s 54—a 12-point margin accumulated almost entirely through second-serve pressure. The Italian’s 10 career titles counted for little when his backup delivery crumbled under relentless baseline aggression.
Key Takeaways
- Vacherot’s second-serve return dominance was the match’s defining statistic: he won 68% of points on Berrettini’s second serve compared to just 47% for the Italian—a 21-point differential that translated into the 12-point overall margin (66-54).
- The first set featured zero break points for either player, making the 7-5 tiebreak the only service break of momentum. Vacherot’s composure in that tiebreak—winning the final two points—carried psychological weight into the second set.
- Despite hitting one more winner (17 vs. 16) and two more aces (6 vs. 4), Berrettini’s first-serve percentage advantage (68% vs. 60%) couldn’t compensate for his glaring second-serve liability, which Vacherot exploited ruthlessly.
- Both players matched each other with 17 unforced errors and 2 double faults, yet Vacherot’s 86% first-serve points won (higher than Berrettini’s 83%) gave him a marginal edge even when both were serving well.
Player Analysis
Valentin Vacherot
The Chilean’s tactical discipline shone brightest on return games. Winning 68% of points on Berrettini’s second serve—well above his 52.6% break point conversion average—demonstrates he identified and attacked the Italian’s weaker delivery relentlessly. His 4 aces fell short of his 10.7-per-match hard court average, but that mattered little when his return game inflicted such damage. The 86% first-serve points won matched Berrettini stroke for stroke, proving Vacherot could trade punches with a former Wimbledon finalist when serving at full strength.
His 16 winners against 17 unforced errors reflect the high-risk, high-reward baseline aggression that defines his game (career average: 25.4 winners, 25.5 errors). In a match with no break points recorded until the score differential reveals one was converted, Vacherot’s ability to seize the tiebreak and then capitalize in the second set shows maturity beyond his one career title. This victory over a 10-time titlist ranks among his finest on hard courts.
Matteo Berrettini
The Italian’s 6 aces and 68% first-serve percentage underscore that his primary weapon remains formidable—83% points won on first serve nearly matched Vacherot’s 86%. But the 47% second-serve points won tells the story of a devastating vulnerability. His career 1.5 double faults per match suggests typically reliable backup deliveries, yet today those second serves became feeding opportunities for an opponent who pounced with 68% efficiency. The absence of break point chances in the first set masked this weakness until the tiebreak, where momentum shifted permanently.
His 17 winners and 17 unforced errors show a balanced performance on paper, yet the total points deficit (54 vs. 66) reveals he was systematically outmaneuvered on return games. For a player with 10 career titles and strong Miami history—including a 2025 quarterfinal run—this loss stings. Berrettini’s 45.2% break point conversion rate lagged behind Vacherot’s 52.6%, and in a match decided by narrow margins, that gap proved insurmountable. His hard court form (4-1 in last five) offered hope, but against an opponent who targeted his second serve with surgical precision, class alone wasn’t enough.
Match Statistics
| Valentin Vacherot | Stat | Matteo Berrettini |
|---|---|---|
| 4 | Aces | 6 |
| 2 | Double Faults | 2 |
| 60% | 1st Serve % | 68% |
| 86% | 1st Serve Points Won | 83% |
| 68% | 2nd Serve Points Won | 47% |
| 16 | Winners | 17 |
| 17 | Unforced Errors | 17 |
| 66 | Total Points Won | 54 |
Frequently Asked Questions
What was the final score of Valentin Vacherot vs Matteo Berrettini at Miami 2026?
Valentin Vacherot defeated Matteo Berrettini 7-6(5), 6-4 in the Round of 32 at the Miami Open on March 23, 2026.
How many second serve points did Vacherot win against Berrettini?
Vacherot won 68% of points on Berrettini’s second serve, compared to Berrettini’s 47%—a 21-percentage-point gap that proved decisive in the straight-sets victory.
Were there any break points in the first set between Vacherot and Berrettini?
No, neither player created a break point opportunity in the first set, forcing a tiebreak that Vacherot won 7-5.
Who won the Miami Open Round of 32 match on March 23, 2026?
Valentin Vacherot won, defeating 10-time career titlist Matteo Berrettini in straight sets with a total points margin of 66-54.
What’s Next
Vacherot advances to the Round of 16 in Miami, where he will seek to build on this career-defining upset. Berrettini’s tournament ends earlier than his recent form suggested, leaving him to regroup before the European clay season.
