(UPDATED 24 JANUARY 2022)
- Achieved doubles career-high No. 7 after reaching 2019 ATP Masters 1000 Paris SF w/Mies.
- Won 2019 and 2020 Roland Garros titles w/Mies to become 1st All-German Grand Slam men's doubles champions and 1st repeat Grand Slam champions since Mirnyi/Nestor at 2011-12 Roland Garros.
- Qualified for Nitto ATP Finals in 2019-20 w/Mies and 2021 w/Tecau following Mies’ right knee surgery.
- Peaked at No. 8 in junior rankings after winning 2009 Wimbledon boys’ doubles title w/Herbert and reaching 2010 Australian Open boys’ doubles final w/Schulz.
- Worked at Lidl supermarket in Munich during COVID-19 pandemic in 2020, stocking shelves, disinfecting shopping carts and acting as security at front entrance.