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Leonardo Monferrer is a 23-year-old Argentine professional on the ATP tour with 19 ranking points. Monferrer stands 170 cm. Monferrer was born in Posadas.
Monferrer carries an ELO rating of 1479 over 143 rated matches, strongest on hard courts (1503). Monferrer's next scheduled points drop is 1 point from M15 Santiago 3 on July 27, 2026, when that result rolls off the 52-week ranking, and 18 results currently count toward Monferrer's ranking total.
<a href="https://atprank.com/player/leonardo-monferrer"><img src="https://atprank.com/api/card/player/leonardo-monferrer" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Leonardo Monferrer won as the betting underdog, ranked by pre-match odds.
Alejandro HoyosM15 Olavarria 1 2023 · 7-6(2) 6-4@4.25def. 
Alvaro Guillen MezaSanta Fe Challenger 2024 · 7-5 2-6 6-3@3.68def. 
Arda AzkaraM15 Antalya 20 2023 · 6-2 6-4@3.65def. 
Nicolas ZanellatoM15 Maringa 2026 · 6-3 7-6(6)@3.64def. 
Conner Huertas Del PinoRosario Challenger 2026 · 2-6 6-1 7-6(6)@2.83Leonardo Monferrer’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Alvaro Guillen MezaSanta Fe Challenger 2024 · 7-5 2-6 6-3ELO 1574def. Pedro SakamotoM15 Criciuma 1 2025 · 4-6 6-4 6-1ELO 1571def. 
Louis TessaM15 Gyula 1 2025 · 1-6 6-4 6-1ELO 1546def. 
Michael AgwiM15 Antalya 20 2023 · 6-2 7-6(6)ELO 1542def. 
Sean HessM15 San Salvador de Jujuy 1 2023 · 6-2 6-4ELO 1530Last match Jul 14, 2026 · last win Jul 7, 2026
Valid results outside the best-18 that don't count toward the ranking right now — they promote in as counting results drop off.
Leonardo Monferrer's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.