Career
Demoliner competes mainly on the Association of Tennis Professionals Challenger Tour, both in singles and doubles. Nowadays became a doubles specialist, having obtained a runner-up finish at the Association of Tennis Professionals 250 Quito and semifinals of the Association of Tennis Professionals 500 Rio Open 2016, and the 3rd round in the 2015 Wimbledon Championships. Demoliner turned professional in 2006, playing smaller tournaments (Futures).
In 2007, he played his 1st Challenger.
At this time, he was considered one of the promises of the sport in Brazil. These were the two best results of his career in singles.
The partnership, which began in September, quickly obtained good results: five Challenger finals in a row, with two runners-up (Cali and Quito) and three titles (Campinas, Rio de Janeiro and Porto Alegre). With this, Demoliner was approaching the top 100 at doubles.
In February 2013 Demoliner first entered the doubles top 100.
In June, he participated for the first time in a Grand Slam, losing in the first round to the Bryan brothers, the n.1 duo in the world. He also reached the semifinals of the Association of Tennis Professionals 250 Newport in July. In 2014 he had, as highlight campaigns, the semi-finals of the Association of Tennis Professionals 250 Zagreb, and two Challenger titles at Quto and Cordoba.
In early 2016, he went to the 2nd round of the Australian Open, and obtained his best campaign in Association of Tennis Professionals 250 tournaments, reaching the final of the Association of Tennis Professionals Quito, finishing as runner-up.
Two weeks later, he reached the semifinals of the Association of Tennis Professionals 500 Rio Open, all results playing with Thomaz Bellucci. Singles: 5 (2–3)
Doubles: 37 (20–17).