Guido Ivan Justo and Mariano Kestelboim will square off in the 1st round of the Campinas Challenger for the 6th time in their career. They are scheduled to compete on Tuesday at 11:00 am on QUADRA 3. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Guido Ivan Justo who should win in 3 sets.

As per the initial odds, Guido Ivan Justo is the pick to win this match.
Guido Ivan Justo -> 1.833
Mariano Kestelboim -> 1.89

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Guido Ivan Justo vs. Mariano Kestelboim

This will be the 6th time that Guido Ivan Justo and Mariano Kestelboim play each other. The head to head is 4-1 for Kestelboim (see full H2H stats), 4-1 on clay.

The last time that they squared off, Kestelboim won 7-6(4) 6-2 in the semifinal in M15 Neuquen back in 2024.

Guido Ivan Justo

Guido Ivan Justo

15 - 9win/loss

Clay
15-9
Rank
349
High
344
LWWLWWLWLL
Year Total Hard Clay I.hard Grass Carpet
2025 45-26 0-0 44-25 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. 384 (career-high), the Argentine will start his run in the Campinas Challenger after he played his last match in the Concepcion Challenger where he lost 6-4 1-6 6-1 to Kicker in the quarter on the 28th of March.

Ivan Justo has an overall 15-9 win-loss record in 2025, 15-9 on clay (See FULL STATS).

Guido’s best result of the year was reaching the final in M15 Santiago.

Talking about his overall career, The Argentine has an overall 176-116 record. He has a positive 163-101 record on clay.

Previously in the Campinas Challenger

The Argentine has never competed in this tournament before.

Campinas Challenger
Ivan Justo's Record

Mariano Kestelboim

Mariano Kestelboim

17 - 9win/loss

Clay
17-9
Rank
402
High
387
LWLWWLWLLW
Year Total Hard Clay I.hard Grass Carpet
2025 37-26 0-0 37-25 0-1 0-0 0-0
2024 32-20 2-1 30-19 0-0 0-0 0-0
2023 20-11 2-1 18-10 0-0 0-0 0-0
2022 15-14 0-0 15-14 0-0 0-0 0-0
2021 22-23 1-4 21-19 0-0 0-0 0-0

Ranked no. 466, the Argentine will start his run in the Campinas Challenger after he played his last match in M25 Lujan where he lost 6-3 6-1

to Midon in the final on the 30th of March.

Kestelboim has a compiled 17-9 win-loss record in 2025, 17-9 on clay (See FULL STATS).

Mariano’s best result of the season was reaching the final in M25 Punta del Este and M25 Lujan.

In terms of his career, Mariano has an overall 344-218 record. He has a positive 310-194 record on clay.

Campinas Challenger
Kestelboim's Record

Tennis Scores in Campinas Challenger

Upcoming matches in the draw