Adolfo Daniel Vallejo and Guido Ivan Justo will fight against each other in the 1st round of the Montevideo Challenger for the 1st time in their career. They are scheduled to play on Tuesday at 9:00 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 Adolfo Daniel Vallejo who should win in 2 sets.
Adolfo Daniel Vallejo -> 1.38
Guido Ivan Justo -> 2.76
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Prediction and head to head Adolfo Daniel Vallejo vs. Guido Ivan Justo
There is no head to head record between Adolfo Daniel Vallejo and Guido Ivan Justo since this will be the first time that they will face off in the main tour.
Adolfo Daniel Vallejo
44 - 27win/loss
163
163
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 47-28 | 1-4 | 46-24 | 0-0 | 0-0 | 0-0 |
| 2024 | 33-27 | 7-4 | 26-23 | 0-0 | 0-0 | 0-0 |
| 2023 | 30-25 | 6-8 | 24-17 | 0-0 | 0-0 | 0-0 |
| 2022 | 23-17 | 17-8 | 4-6 | 2-3 | 0-0 | 0-0 |
| 2021 | 1-2 | 0-0 | 1-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 169, Daniel Vallejo will start his run in the Montevideo Challenger after he played his last match in the Lima 3 Challenger where he lost 7-6(2) 7-6(5) to Habib in the 1st round on the 3rd of November.
Adolfo has an overall 43-27 win-loss record in 2025, 42-23 on clay (See FULL STATS).
His best result of the year was winning the title the Curitiba Challenger where he beat Pedro Boscardin Dias in the final 6-3 7-5.
Talking about his overall career, The Paraguayan has an overall 132-98 record. He has a positive 99-71 record on clay.
Previously in the Montevideo Challenger
Previously, his best result was reaching the 1st round in 2024. See his history.
Guido Ivan Justo
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 45-25 | 0-0 | 44-24 | 1-1 | 0-0 | 0-0 |
| 2024 | 45-25 | 0-1 | 45-24 | 0-0 | 0-0 | 0-0 |
| 2023 | 31-17 | 4-3 | 27-13 | 0-1 | 0-0 | 0-0 |
| 2022 | 10-4 | 0-0 | 10-4 | 0-0 | 0-0 | 0-0 |
| 2021 | 2-9 | 1-5 | 1-4 | 0-0 | 0-0 | 0-0 |
Ranked no. 369, Guido got to the 1st round after beating Federico Aguilar Cardozo 6-4 6-1 and Murkel Dellien 6-3 6-1.
In the qualifications, The Argentine had a good straight sets win against Alejandro Dellien Velasco (6-3 6-1). During the match Ivan Justo scored 57 points vs Alejandro Dellien Velasco’s 38. Guido was exceptionally aggressive to blast 19 winners.
About the serving games, Ivan Justo scored just 1 ace during the entire match and he was quite solid in conceding no double faults for the entire match. Guido Ivan Justo lost the serve once and he saved 1 break points. Furthermore, Ivan Justo put 65% of his first serves in, winning 59% (19/32) of the points behind his 1st serve and 71% (12/17) on the 2nd serve. Guido broke Alejandro Dellien Velasco 5 times after converting 71% of his break points (5/7).
Overall Performance in this tournament
The Argentine started his run at this tournament from the qualifications. In the main draw, he hasn’t dropped yet a set in this tournament to win 59% of the points he played.
Guido’s best result of the current season was reaching the final in M15 Santiago,M15 San Salvador de Jujuy and M15 Salta.
Guido has a composed 43-24 win-loss record in 2025, 42-23 on clay (See FULL STATS).
Previously in the Montevideo Challenger
Ivan Justo has never competed in this tournament before.
Tennis Scores in Montevideo Challenger
- Carlos TabernerTaberner – Gonzalo BuenoBueno (6-0 6-2) – Stats, scores, rankings
- Cristian GarinGarin – Andrea CollariniCollarini (6-3 7-5) – Stats, scores, rankings
- Emilio NavaNava – Daniel Dutra Da SilvaDutra Da Silva (6-2 6-4) – Stats, scores, rankings
- Ignacio BuseBuse – Timofey SkatovSkatov (6-3 6-1) – Stats, scores, rankings
- Gustavo HeideHeide – Rodrigo Pacheco MendezPacheco Mendez (6-3 6-4) – Stats, scores, rankings
- Marco CecchinatoCecchinato – Facundo Diaz AcostaDiaz Acosta (6-4 7-5) – Stats, scores, rankings
- Mariano NavoneNavone – Santiago Rodriguez TavernaRodriguez Taverna (6-3 6-2) – Stats, scores, rankings
Upcoming matches in the draw
- Andrea CollariniCollarini – Christian GarinGarin (0-1) – H2H and prediction
- David Jorda SanchisJorda Sanchis – (0-0) – H2H and prediction
- Marco CecchinatoCecchinato – Mariano NavoneNavone (0-1) – H2H and prediction
- Carlos TabernerTaberner – (1-0) – H2H and prediction
- Zdenek KolarKolar – (0-0) – H2H and prediction
- Joao Lucas Reis Da SilvaLucas Reis Da Silva – Facundo MenaMena (1-0) – H2H and prediction
- Sebastian BaezBaez – Alvaro Guillen MezaGuillen Meza (0-0) – H2H and prediction
- Franco RoncadelliRoncadelli – Genaro Alberto OlivieriAlberto Olivieri (1-0) – H2H and prediction
- Guido Ivan JustoIvan Justo – (0-0) – H2H and prediction