(UPDATED 21 OCTOBER 2022)
- Broke into Top 100 and achieved career-high No. 85 in early-2020 prior to ATP Tour hiatus due to COVID-19.
- Reached 1st ATP Tour QF at 2020 Cologne-1 and defeated No. 17 Fognini for biggest win of career at 2021 ATP Cup.
- Came within 1 win of qualifying for all 4 Grand Slams in 2018, reaching Wimbledon 3R and also qualifying at Australian Open and US Open.
- Earned 3 wins in Match TB en route to 2016 Kitzbuhel doubles final with lifelong friend Thiem (born 6 days apart in same town of Wiener Neustadt).
- Owns 107-99 Challenger record (2-4 in finals), winning titles at 2019 Taipei and 2019 Bratislava-2.