 Rosenbaum played for Team Israel in the B Pool in Vienna, Austria, in 2015.He played for Team Israel at the 2019 European Baseball Championship, and hit the game-tying home run in the 2019 B Pool Championship game against Russia in the bottom of the 8th.He also played for the team at the Africa/Europe 2020 Olympic Qualification tournament in Italy in September 2019, which Israel won to qualify to play baseball at the 2020 Summer Olympics in Tokyo.