Harold Mayot and Johannus Monday will square off in the qualifications of the U.S. Open for the 1^st time in their career. They are scheduled to compete on Monday at 1:00 pm on Court 14. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Harold Mayot who should win in 5 sets.

As per the initial odds, Harold Mayot is the pick to win this match.
Harold Mayot -> 1.51
Johannus Monday -> 2.49

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Prediction and head to head Harold Mayot vs. Johannus Monday

There is no head to head record between Harold Mayot and Johannus Monday since this will be the first time that they will fight against each other in the main tour.

Harold Mayot

Ranked no. 156, Harold will start his run at the U.S. Open after he played his last match in the Grodzisk Mazowiecki Challenger where he lost 6-4 6-3 to Prizmic in the semifinal on the 9^th of August.

Mayot has an overall 26-23 win-loss record in 2025, 5-3 on hard (See FULL STATS).

Harold’s best result of the current year was getting to the final in the Zug Challenger.

Talking about his overall career, Mayot has an overall 186-155 record. He has a positive 48-38 record on hard.

Previously at the U.S. Open

Previously, his best result was reaching the qualifications in 2024. See his history.

Johannus Monday

Ranked no. 234, Monday will start his run at the New York after he played his last match in the Grodzisk Mazowiecki Challenger where he lost 6-3 6-4 to Zeppieri in the 1^st round on the 5^th of August.

Monday has an aggregate 30-17 win-loss record in 2025, 18-9 on hard (See FULL STATS).

Monday’s best result of the season was reaching the final in M25 Sunderland and M25 Bakersfield.

In terms of his career, Johannus has an overall 94-52 record. He has a positive 62-26 record on hard.

Previously at the U.S. Open

Johannus has never competed in this tournament before.

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