Alvaro Guillen Meza and Mariano Kestelboim will fight against each other in the 1^st round of the San Miguel de Tucuman Challenger for the 3^rd time in their career. They are scheduled to compete on Wednesday at 12:30 pm on CANCHA 2. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Alvaro Guillen Meza who should win in 2 sets.

As per the initial odds, Alvaro Guillen Meza is the pick to win this match.
Alvaro Guillen Meza -> 1.27
Mariano Kestelboim -> 3.48

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Prediction and head to head Alvaro Guillen Meza vs. Mariano Kestelboim

This will be the 3^rd time that Alvaro Guillen Meza and Mariano Kestelboim play each other. The head to head is 2-0 for Guillen Meza (see full H2H stats), 2-0 on clay.

The last time that they squared off, Guillen Meza won 6-2 7-5 in the 2^nd round in the Campinas Challenger back in April 2025.

Alvaro Guillen Meza

Ranked no. 205 (career-high), Alvaro will start his run in the San Miguel de Tucuman Challenger after he played his last match in the Campinas Challenger where he lost 6-4 6-3 to Tomas Barrios Vera in the final on the 6^th of April.

Alvaro has an aggregate 16-9 win-loss record in 2025, 16-8 on clay (See FULL STATS).

Alvaro’s best result of the season was getting to the final in M25 Punta del Este and the Campinas Challenger.

Talking about his overall career, Alvaro has an overall 148-103 record. He has a positive 144-93 record on clay.

Previously in the San Miguel de Tucuman Challenger

Alvaro has never competed in this tournament before.

Mariano Kestelboim

Ranked no. 429, the Argentine will start his run in the San Miguel De Tucuman Challenger after he played his last match in the Campinas Challenger where he lost 6-2 7-5

to Guillen Meza in the 2^nd round on the 2^nd of April.

Kestelboim has a composed 18-10 win-loss record in 2025, 18-10 on clay (See FULL STATS).

Mariano’s best result of the current year was getting to the final in M25 Punta del Este and M25 Lujan.

In terms of his career, Kestelboim has an overall 345-219 record. He has a positive 311-195 record on clay.

Previously in the San Miguel de Tucuman Challenger

Previously, his best result was reaching the 2^nd round in 2024. See his history.

Tennis Scores in San Miguel De Tucuman Challenger

• Lautaro MidonMidon – Joao Eduardo SchiesslEduardo Schiessl (6-3 6-4) – Stats, scores, rankings
• Facundo BagnisBagnis – Gonzalo VillanuevaVillanueva (6-4 6-1) – Stats, scores, rankings
• Valerio AboianAboian – Vladyslav OrlovOrlov (6-4 6-4) – Stats, scores, rankings
• Luciano Emanuel AmbrogiEmanuel Ambrogi – Jose PereiraPereira (6-7⁵ 6-3 6-3) – Stats, scores, rankings

Upcoming matches in the draw

• Andrea CollariniCollarini – (1-0) – H2H and prediction
• Hernan CasanovaCasanova – Renzo OlivoOlivo (0-5) – H2H and prediction
• Mariano KestelboimKestelboim – Alvaro Guillen MezaGuillen Meza (0-2) – H2H and prediction
• Ignacio MonzonMonzon – (0-0) – H2H and prediction
• Santiago Fa Rodriguez TavernaFa Rodriguez Taverna – (0-0) – H2H and prediction
• Fermin TentiTenti – Alejo Lorenzo Lingua LavallenLorenzo Lingua Lavallen (0-0) – H2H and prediction
• Lorenzo Joaquin RodriguezJoaquin Rodriguez – Conner Huertas Del PinoHuertas Del Pino (0-0) – H2H and prediction
• Franco RoncadelliRoncadelli – (1-1) – H2H and prediction
• Mateo Barreiros ReyesBarreiros Reyes – Guido Ivan JustoIvan Justo (0-0) – H2H and prediction
• Igor GimenezGimenez – Pedro Boscardin DiasBoscardin Dias (0-1) – H2H and prediction