THANK YOU, MARC-ANDREA HÜSLER! 🇨🇭🙌 2023 #AZTCAlumni Marc-Andrea Hüsler officially bids farewell to professional tennis following his run at the Zug Open. A former World No. 47 with 1 ATP title in Sofia (2022) and 7 ATP Challenger trophies, Marc-Andrea leaves behind a career to be immensely proud of. Thank you for everything, champion—wishing you the absolute best in your next chapter! 🦅🎾 #AZTCFamily #ATPChallenger #HappyRetirement