

What Time Will Vitaliy Sachko Play Against Learner Tien?
Sachko and Tien are on the Day 6 Schedule at Moselle Open 2025 on Friday 7 November 2025. Lets breakdown the career, past stats and recent form of these players and predict who will get the victory.
Who Will Win In This Head-To-Head?
In the first meeting between Vitaliy Sachko of Ukraine and Learner Tien of the USA, Sachko, aged 28, is ranked World No. 222 with a career-high of No. 156 achieved in July 2023. He had a successful 2025 season with a 4-2 record, including reaching the semifinals in Metz where he had a 3-0 record. Sachko earned his first ranking point at age 17 in 2014, broke into the Top 500 in 2020, and cracked the Top 200 in June 2023 after winning his first Challenger title in Bratislava.
Despite a 0-7 start to his career, Sachko captured his first tour-level win by defeating No. 227 Dougaz in the 2025 Davis Cup. He holds a 95-105 Challenger record with his first title coming in Bratislava in 2023. Sachko’s biggest career win came against No. 13 Bublik on his way to his first ATP Tour semifinal at the 2025 Metz as a lucky loser. He made his ATP Tour main draw debut in 2020 at Vienna as the No. 529-ranked lucky loser.
Sachko is aiming to become the first Ukrainian ATP Tour finalist since Dolgopolov in 2017 Shenzhen. He is currently ranked No. 163 on the PIF ATP Live Rankings and could jump to No. 145 with a semifinal win in Metz. Tien, on the other hand, aged 19, is currently ranked World No. 38 with a career-high of No. 36 achieved in September 2025 after reaching his first ATP Tour final in Beijing. Tien had a strong 2025 season with a 30-23 record including another semifinal appearance in Metz.
Tien’s rise in the rankings has been swift, breaking into the Top 200 in August 2024, the Top 100 in January 2025, and the Top 50 in August 2025. He made headlines by upsetting top players like Medvedev and Zverev at various tournaments. Tien also qualified for the 2024 Next Gen ATP Finals and went on a 28-match winning streak in 2024, capturing multiple ITF and Challenger titles.
Tien seeks his second ATP Tour final after his runner-up finish in Beijing, aiming to become the second teenager to reach multiple ATP Tour finals in 2025. He is currently ranked No. 35 on the PIF ATP Live Rankings and could rise to No. 31 by becoming the first American finalist in tournament history. Both players have had impressive journeys leading up to their semifinal clash in Metz.
My Conclusion / Prediction:
My pick is that Sachko will win.
Matchstat.com has an Artificial Intelligence (Ai) prediction model that is trained on all professional ATP and WTA past matches.
To find out who our model thinks will win for Vitaliy Sachko vs Learner Tien, have a look at the prediction here:
Matchstat.com Vitaliy Sachko vs Learner Tien prediction.







