Delray Beach Open 2025 is the first tournament to learn from the expansion of Australia. Here, Vietnamese -original players receive a special capacity and do not have to play qualifying.
During the opening match, the Learner Tien had an impressive start. The 19-year-old star easily surpassed Adam Walton (89 ATP) after 2 sets with a score of 6-4, 6-3. However, he had to stop in the next round.

Tien's opponent in the 2nd round of men is Matteo Arnaldi – the No. 4 seed of the tournament. Accordingly, each person has successfully broken the opponent's gaming game. Coming to game 12, they joined each other with a score of 6-6.
Set then had to solve the winning and losing on the tie-break series. Arnaldi is more brave than his juniors. He has 3 mini-breaks and won 7-4.
Set set 2, Tien is the one who owns the game. Vietnamese original players win early in game 1 and keep the advantage until the end of the set. He won 6-4 and brought the match back to the starting line.

Sang Set 3, Tien continued to win the break early in game 3. This time, Tien played badly when he only won 1 point and lost quickly with a score of 1-7.
With this result, Tien had to stop in the second round of Delray Beach Open. Meanwhile, Arnaldi is present in the quarterfinals and will face Brandon Nakashima.