Date of Birth: 
Place of Birth: Porto Alegre, Rio Grande do Sul, Brazil
About Marcelo Demoliner
- Marcelo Fedrizzi Demoliner (born 18 January 1989) is a Brazilian professional tennis player.
- A doubles specialist, he won his first title at the ATP 250 Antalya Open in June, 2018, after having reached 6 finals at that level.
- Runner-up at the ATP 500 Vienna in 2018.
- Alongside Maria José Martinez Sanchez, he was mixed doubles semifinalist in 2017 Wimbledon Championships and 2018 Australian Open.
- He reached a career high ranking of world number 34 in doubles in November 2017.
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