At the beginning of the year, Learner Tien was the 'phenomenon' of the felt ball village when they defeated both Daniil Medvedev and Alexander Zverev. However, the Vietnamese original player then went down to the alarming form. In the last 3 tournaments, Indian Wells Masters, Miami Open and Houston Open, he stopped in the first round.
This week, Tien was present in Germany to start the clay season. In Munich Open, 19 -year -old player had to play from the qualifying round. He defeated Henri Squire and Botic Van de Zandschulp, respectively to participate in the main round. In the opening match, his opponent Tallon Griekspoor (ranked 37th in the world).

Entering set 1, Tien constantly faces difficulties when faced with break point. He loses the gaming game in game 5 but is helpless in reclaiming the break. Coming to the game 10 decided, Vietnamese stars have 2 break point but cannot take advantage of it, thereby losing 4-6.
Sang Set 2, Griekspoor continued to show impressive performance. The Dutch player soon won 2 consecutive breaks in 2 games 1 and 3 to take the lead 4-0. In the rest of the set, he did not face any break-pass and ended the set with a 6-2 difference.
With this result, Griekspoor was present in the second round of Munich Open. Meanwhile, Tien extended the disappointment when he was eliminated early in the last 4 tournaments.