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Guido Ivan Justo, a 28-year-old Argentine professional, holds the #217 spot in the live ATP rankings with 254 points. Justo moved up 7 places in the most recent release. Justo is a right-hander with a two-handed backhand who stands 178 cm.
Justo was born in Buenos Aires. Justo carries an ELO rating of 1604 over 239 rated matches, strongest on clay (1606). Justo's next scheduled points drop is 15 points from M15 Santiago 3 on July 27, 2026, when that result rolls off the 52-week ranking, and 18 results currently count toward Justo's ranking total.
<a href="https://atprank.com/player/guido-ivan-justo"><img src="https://atprank.com/api/card/player/guido-ivan-justo" 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 Guido Ivan Justo won as the betting underdog, ranked by pre-match odds.
Facundo Diaz AcostaTigre 1 Challenger 2026 · 7-5 6-0@3.48def. Hernan CasanovaPorto Alegre Challenger 2025 · 6-3 6-1@2.69def. Matias ZukasM25 Rio Cuarto 1 2023 · 6-1 7-6(2)@2.59def. 
Gonzalo BuenoTigre 1 Challenger 2026 · 4-6 6-2 6-2@2.51def. 
Pedro SakamotoPorto Alegre Challenger 2024 · 6-2 2-6 6-3@2.47Guido Ivan Justo’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Lautaro MidonTigre 1 Challenger 2026 · 4-6 6-3 6-0ELO 1614def. 
Georgii KravchenkoTrieste Challenger 2026 · 6-4 6-0ELO 1598def. Juan Bautista TorresConcepcion Challenger 2026 · 6-3 6-2ELO 1578def. 
Franco RoncadelliBucaramanga Challenger 2026 · 6-2 3-1 ret.ELO 1576def. 
Matias SotoM15 Santiago 3 2024 · 0-6 7-6(3) 6-0ELO 1575Last match Jul 8, 2026 · last win Jul 7, 2026
4 points behind Henri Squire at #216.
Points needed to reach each tier, assuming other players’ totals stay the same.
Valid results outside the best-18 that don't count toward the ranking right now — they promote in as counting results drop off.
Guido Ivan Justo's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.