The ATP Masters 1000 Miami 1/32-finals promise intriguing matchups, with several underdogs showing potential for upsets. Thiago Agustin Tirante, fresh from his qualifying matches, appears match-ready, while Adam Walton rides a strong wave of momentum. Meanwhile, João Fonseca is demonstrating form that could truly challenge Carlos Alcaraz, making for a potentially tight contest.
ATP Masters 1000 Miami 1/32-Finals Previews
Valentin Royer vs. Thiago Agustin Tirante
Match Date: 20.03.2026 15:00 CEST
Head-to-Head: First meeting
Valentin Royer enters Miami on a shaky run, having lost four of his last five encounters, including a straight-sets defeat to Navone in Cap Cana last week. He’ll be aiming for a significant turnaround this week to regain his best form.
Thiago Agustin Tirante, despite losing three of his last five matches, arrives in the main draw as a lucky loser. He narrowly missed qualifying, losing a tight three-set match to Landaluce. This stroke of luck, however, means he’s already acclimated to the Miami courts and has played two competitive matches.
Our Betting Insight: Royer vs. Tirante
While oddsmakers view this as a near toss-up, our analysis suggests otherwise. Royer’s season has been underwhelming, with his only two victories coming against opponents struggling for form. Conversely, Tirante has already competed in two demanding matches in Miami’s qualifying rounds, giving him a distinct advantage in terms of match readiness and familiarity with the conditions.
Considering these factors, **backing Thiago Agustin Tirante for the win offers compelling value.**
Recommended Bet: Thiago Agustin Tirante to win (Odds: 2.00)
Adam Walton vs. Sebastian Baez
Match Date: 20.03.2026 18:00 CEST
Head-to-Head: First meeting
Adam Walton arrives in the main draw after an impressive qualifying campaign, winning four of his last five matches, including a three-set victory over Hijikata in the final qualifying round. His momentum is undeniable.
Sebastian Baez’s recent form shows three wins from his last five matches, with his most recent outing being a third-round loss to Medvedev in Indian Wells. Historically, Baez has found Miami challenging, having exited in the opening round in straight sets to Bublik last season and struggling in all four of his previous appearances.
Our Betting Insight: Walton vs. Baez
Despite being considered a slight underdog by oddsmakers, we believe Walton holds the edge. His dominant performance through the qualifying rounds demonstrates his current high level of play. In contrast, Baez has consistently struggled at the Miami Open across all his four previous appearances. We anticipate Walton’s current form and comfort on these courts will lead to a strong showing.
Therefore, **a bet on Adam Walton to secure the victory represents excellent value.**
Recommended Bet: Adam Walton to win (Odds: 2.10)
Carlos Alcaraz vs. João Fonseca
Match Date: 21.03.2026 00:00 CEST
Head-to-Head: Alcaraz leads 1-0
Carlos Alcaraz enters Miami having won four of his last five matches, though his Indian Wells campaign ended with a straight-sets semifinal loss to Medvedev. A former champion here in 2022, he’ll be looking to reassert his dominance on these courts.
João Fonseca is also in strong form, with four wins from his last five matches, including an impressive three-set victory over Marozsan earlier this week in Miami. Last season, he pushed de Minaur to three tight sets in the third round, showcasing his potential to compete with higher-ranked players.
Our Betting Insight: Alcaraz vs. Fonseca
Despite Fonseca being a significant underdog in the eyes of bookmakers, we believe this match will be much tighter than anticipated. Fonseca is currently playing with confidence and possesses the varied skill set needed to challenge Alcaraz and keep the scoreline close. We foresee a high-intensity battle that could see several shifts in momentum.
Given Fonseca’s current form and capabilities, **betting on João Fonseca to cover the games handicap (+4.5 games) presents a valuable opportunity.**
Recommended Bet: João Fonseca +4.5 games handicap (Odds: 2.10)