[1] The Washington Kastles defeated the Austin Aces in the WTT Final to win their fifth consecutive King Trophy.

The 2015 World TeamTennis season included seven teams split into two conferences (Eastern and Western).

The draft position for the relocated California Dream franchise was based on the results achieved as the Texas Wild.

[7] In another change from previous seasons, WTT eliminated its separate roster-exempt player draft.

July 30 at Kastles Stadium at Charles E. Smith Center, Washington, District of Columbia: Washington Kastles 25, Philadelphia Freedoms 9[18] July 30 at Gregory Gymnasium, Austin, Texas: Austin Aces 25, California Dream 14[19] August 2 at Kastles Stadium at the Charles E. Smith Center, Washington, District of Columbia:[Final 1] Washington Kastles 24, Austin Aces 18 (extended play)[20] Note: The tables below show the WTT players who had the highest regular-season winning percentages in each of the league's five events.

Reference: [20][22] The tables below show the regular-season winning percentages of each team in each of the league's five events.

Notes: The 2015 season was the second year of a four-year television rights contract between WTT and ESPN, Inc.

In addition to the televised ones, the following regular-season matches were streamed exclusively on ESPN3: On December 8, 2014, WTT announced that its title-sponsorship agreement with Mylan N.V. was extended for two more years through the 2017 season.