Carlos Alcaraz will meet Tomás Etcheverry in the round of 16 at the Montecarlo Masters 1,000 on Thursday, April 9, with the match set for the third turn on central court Raniero III at 11.00 hours CEST. The world number one reached that stage by beating Sebastián Báez 6-1, 6-3 in his opening match, while Etcheverry advanced with a 3-6, 6-3, 6-2 win over Terence Atmane.
For Alcaraz, the meeting with the 30th-ranked Etcheverry is a fresh test on clay and a first career matchup with the Argentine. The Spaniard, whose Montecarlo campaign started with a sharp straight-sets win on Tuesday, has little margin for error in the season’s first major clay-court event, where rhythm matters as much as ranking.
That same theme runs through the other half of the draw. Jannik Sinner, second in the ATP rankings, will face Tomas Machac after opening with a 6-3, 6-0 victory over Ugo Humbert. Machac, ranked 53rd in the world, booked his place with a 7-6, 6-3 win against Francisco Cerúndolo.
Read Also: Joao Fonseca says he is on the right path after losses to Alcaraz and Sinner
Sinner has already handled Machac three times, and all three meetings came on hard courts. Two of those wins came at Masters 1,000 level, including the semifinals in Shanghai and the quarterfinals in Miami in 2024, which gives the Italian a clear edge on paper even as Montecarlo asks different questions on a slower surface.
That is the tension in this stage of the tournament: Alcaraz and Sinner arrive as the top two players in the sport, but both are stepping into matchups that will tell more about their clay-court timing than their ranking. If Alcaraz is the favorite to move on, it is because he has already looked sharp this week; if Sinner carries the stronger head-to-head record, it is because Machac has never beaten him, and has never beaten him in these conditions.
Read Also: Masters.com: Alcaraz explains surprise at Sinner’s Monte Carlo choice
For readers tracking the wider picture, the Montecarlo draw has also sharpened interest in how the two leading players are handling the start of the clay season. A separate look at Alcaraz’s place in the early Masters conversation appears in Masters.com: Alcaraz explains surprise at Sinner’s Monte Carlo choice, while a broader market view is reflected in Monte Carlo Tennis 2026 odds: Alcaraz edges Sinner after Monte Carlo run. Elsewhere, Joao Fonseca says he is on the right path after losses to Alcaraz and Sinner, a reminder of how often both men now define the standard for everyone else.
Alcaraz has the cleaner path into the clay-court stretch, but Thursday’s meeting with Etcheverry will show whether the top seed’s first-round form was a launch point or just the start of the real test. Sinner, meanwhile, has the harder number to shake: three wins over Machac already, and all of them on a surface that does not behave like Montecarlo.






