Diego Schwartzmann won the annual finals tournament in 2014, but failed to qualify to defend it in 2015, at which sport?
2015 ATP Challenger Tour Finals – Singles Diego Schwartzman was the defending champion, but did not qualify this year.
FINA World Masters Championships The FINA World Masters Championships (or "Masters Worlds") is an international Aquatics championships for adults (per FINA rules, Masters are 25 years old and older). The championships is held biennially, with competition in all five of FINA's disciplines: Swimming, Diving, Water polo, Open water swimming, and Synchronized swimming. Starting in 2015, the competition will be held jointly with the FINA World Aquatics Championships.