Hugo Dellien vs Tristan Boyer Prediction, Odds, Best Bets - Lima Challenger 75

Hugo Dellien won the Guayaquil Challenger title last week and has won eight of his last ten matches, all on clay. Tristan Boyer beat him in a Challenger final two years ago, but Boyer has not played a match in three weeks.

The Matchup

This is a first-round match at the Lima Challenger 75, an ATP Challenger Tour event one level below the main ATP Tour, played on outdoor clay at the Club Terrazas in Lima. Hugo Dellien is the No. 3 seed and ranked No. 106 in the world, with a 53-27 record this season. Tristan Boyer is unseeded and ranked No. 208, with a 27-23 record, and he reached a career high of No. 106 himself at the start of 2025.

Dellien arrives with the strongest recent form in this part of the draw. He won the Guayaquil Challenger title on November 2, opening that week with a 6-1, 6-3 win over Nicolas Jarry and beating Joaquin Aguilar Cardozo in the final, and he reached the final at Santa Cruz the week before, losing to Thiago Seyboth Wild. His last ten matches have all been played on clay and he has won eight of them.

The one real question in his month is a retirement in Cali on October 20, when he stopped against Juan Manuel La Serna trailing 3-6, 0-2. No reason for that retirement was published, and what followed answers most of it: five matches in six days at Guayaquil the next week, all completed, and a title at the end of them. He is active in Lima with no injury designation.

Boyer has not completed a match in three weeks. His last outing was a 7-5, 6-2 loss to Elmer Moller in Lisbon on October 19, and his last five matches on clay, all in Portugal in October, brought two wins and three losses. No injury report explains the gap in his schedule. He is simply cold, and he walks into a first round against a man who played five matches last week on the same surface, in the same part of the world.

Key Factors

The mechanism is Dellien's rally tolerance on clay against a player who has to find his range again. Dellien has spent his career on this surface and this swing, and his Guayaquil week showed the shape of his wins: a 6-0, 6-2 quarterfinal against Carlos Maria Zarate, a 7-6, 6-2 semifinal win over Valerio Aboian, and long stretches where return games kept arriving because the rallies kept ending on his terms. Boyer is a bigger hitter with the heavier serve, and rust shows up first exactly there, in the timing of the shot that has to carry him.

Boyer's record after a slow start is the second problem. He has won five of the 33 matches in his career where he lost the first set, and he has won 11 of his 31 career tiebreaks. A player who starts slowly and rarely steals the tight sets has to win this match from the front, against an opponent in full match rhythm. If Dellien takes the first set, the pattern of Boyer's career says the second one follows it more often than not.

What beats the pick is the one match these two have already played. Boyer beat Dellien 6-2, 6-4 in the Montevideo Challenger final in November 2024, on clay, in a final, winning 72 percent of his first serve points and 76 percent behind his second serve.

That was Dellien's surface and Dellien's kind of week, and Boyer took the title off him in straight sets. If that serve shows up in Lima, the games margin this pick needs gets thin in a hurry: the line asks Dellien to win by four games, and one tiebreak set can take half of that away on its own.

Every pick is published with its line before the game. Odds via consensus sportsbooks at time of writing and move constantly. Must be 21+. If gambling is a problem, call or text 1-800-GAMBLER.