Sebastian Bielen is sponsored by Lacoste (clothes and shoes) and Tecnifibre (equipment - racquets, bags, strings, grips).
Sebastian got selected, as one of the three top American tennis players, to be a part of Les Petits Crockos. The program is launched by Lacoste and Tecnifibre and is a unique opportunity to work with former top tennis players in the world.
During the 2022 addition in Miami Sebastian trained with Sebastien Grosjean, former nr 4 in the world, who reached semifinals at the Australian and French Open.