Patrick Franziska represented Germany at the postponed Tokyo 2020 Summer Olympics, where he won the silver medal with the men's team.

He finished second at the WTT Contender Tunis 2022, losing against Anton Kallberg in the men's single's finals.

He won a bronze medal together with Dimitrij Ovtcharov in men's doubles at the ITTF World Table Tennis Championship in Durban.

At the European Games 2023, he won the men's team gold medal, together with Timo Boll, Dang Qiu and Dimitrij Ovtcharov, repeating their success of 2019 and again winning against Sweden in the finals.

Franziska reached second place in the first-ever Saudi Smash tournament, losing only to Wang Chuqin, ranked no.