Mike Peplinski (Eau Claire, WI) qualified for the 2015 U.S. National Mixed Doubles Championship playoffs, dropping their quarterfinals match 6-3 against Maureen Stolt (St. Paul, MN). of the 2015 U.S. National Mixed Doubles Championship in Eau Claire, Wisconsin;
 
Peplinski finished 4-1 in the 0-team qualifying round. . In their opening game, Peplinski defeated Michael Bera (Kettle Moraine, WI) 9-4, then won 14-0 against Elaine Smith-Koop (Portland, OR) and 7-2 against Sharon Vukich (Seattle, WA). Peplinski went on to lose 9-7 against Brady Clark (Seattle, WA). Peplinski responded with a 11-3 win over Matt Fowler (St. Paul, MN) in their final qualifying round match.
 
. For week of the event schedule, Peplinski did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Peplinski ranks th overall on the Year-to-Date rankings with points earned so far this season.