Mariusz Fyrstenberg
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Mariusz Stanisław Fyrstenberg is a retired Polish tennis player who was a doubles specialist.
Fyrstenberg RG13
Jan Zieliński
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Jan Zieliński is a Polish professional tennis player who specializes in doubles. He has an ATP career-high doubles ranking of world No. 7, which he attained on 19 June 2023. His highest ranking in sin
Mariusz Fyrstenberg
…Fyrstenberg won 18 doubles title in his career and achieved a highest ranking in doubles of world No. 6 in August 2012. He is currently the coach of Jan Zieliński and Hugo Nys. Poland Davis Cup team…
Zieliński at the 2023 Monte-Carlo Masters
Jan Zieliński at the 2021 Internationaux de Tennis de Vendée