Alex de Minaur, the top seed at the ATP Washington tournament, is set to face Stefanos Tsitsipas, the former World No. 3, on Tuesday night. De Minaur currently holds the World No. 6 ranking, while Tsitsipas, who recently won the ATP Gstaad title on July 19, is ranked 45 places below him.

Oddsmakers have positioned de Minaur as a slight favorite at -136, despite Tsitsipas's notable past success against him. The two players, both 27 years old, have met 13 times, with Tsitsipas winning 12 of those encounters. This historical dominance has led to skepticism in the betting market regarding de Minaur's chances.

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However, the majority of these head-to-head matches occurred more than three years ago. Their most recent encounter was in Miami in March, where Tsitsipas secured his 12th victory over de Minaur. Following that win, Tsitsipas experienced a dip in form, losing three consecutive matches and seeing his ranking fall to 80.

While Tsitsipas possesses considerable talent and can be an formidable opponent when his serve is effective, his performance can be inconsistent. This volatility is a key factor in the current betting landscape. Despite the historical precedent, the odds suggest a more cautious approach to Tsitsipas's chances, particularly against a consistent player like de Minaur. The betting prediction favors de Minaur moneyline at -136.