The ATP Masters 1000 Madrid second round brings a mix of form, surface fit, and clear betting angles. Three matchups stand out for value-seekers: Vilius Gaubas against Felix Auger-Aliassime, Alexander Blockx versus Brandon Nakashima, and Mariano Navone facing Alexander Zverev.
The market gives the higher-ranked names plenty of respect, but the clay-court context at Madrid creates a few opportunities. Gaubas already impressed by qualifying for the main draw and beating Sebastián Báez in straight sets, while Blockx arrives with momentum after a three-set win over Cristian Garin, and Zverev remains the most proven player of the group in this event.
Gaubas looks capable of making the favorite work
Gaubas has won three of his last five matches, and his Madrid run has already been stronger than expected. He fought through qualifying and then produced one of the more notable results of the opening round by taking out Báez in straight sets, while also saving both break points he faced.
Auger-Aliassime also brings solid recent form, with four wins in his last five matches. His last outing came in Monte Carlo, where Jannik Sinner beat him in straight sets in the quarterfinals, and that level of opposition underlines the quality the Canadian can still produce on clay.
The key betting angle here is not a straight upset but the possibility that Gaubas stays close enough to cover the spread. The available numbers point to the underdog having a realistic chance to keep the match competitive if the serve holds up.
Best bet: Vilius Gaubas +3.5 games handicap @2.10 @bet365
Blockx brings clay-court comfort into a balanced matchup
Nakashima and Blockx enter with similar recent records, which helps explain why the market sees this as close to even. Nakashima has lost three of his last five matches, including a straight-sets defeat to Arthur Fils in Barcelona, while Blockx has also won three of his last five.
Blockx may have the stronger clay profile in this matchup. The Belgian is making his Madrid debut, but he already showed resilience by coming from a set down to beat Garin in the first round, and his recent run also included a second-round loss to Ben Shelton in Munich.
That combination of comfort on clay and momentum makes Blockx an attractive option when the price remains close. The matchup could still be tight, but the underlying form favors the Belgian more than the market appears to suggest.
Best bet: Alexander Blockx to win @1.73 @bet365
Zverev’s Madrid record gives him the clearest edge
Navone has won four of his last five matches, but Madrid remains a venue where he has not gone beyond the second round. He did start this week well by defeating Borges in straight sets, yet his recent loss to Rublev in Barcelona showed the gap that still exists against top-tier opposition.
Zverev’s profile in Madrid is much stronger. The German has won the title here in 2018 and 2021, and he still owns the sort of serve and backhand combination that can control points efficiently on this surface.
Recent results are not perfect, as Zverev lost to Cobolli in the Munich semifinals in straight sets, but he remains the clear favorite for this matchup. The straight-sets option looks especially appealing because Navone lacks the tools to consistently punish Zverev on serve.
Best bet: Alexander Zverev to win 2-0 @1.73 @bet365
The Madrid clay often rewards players who can extend rallies without losing control of their own service games, and that is why the strongest betting angles here lean toward handicaps and straight-sets outcomes rather than narrow moneyline margins. Gaubas has already shown he can disrupt expectations, Blockx appears ready to take advantage of favorable clay-court dynamics, and Zverev remains the most reliable presence in the section.
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