Andrew Stopera (Blaine, USA) won 6-4 over Christopher Inglis (Toronto, ON) in the Final of the U21 Royal Slam, held September 8 - 10, 2017 at the K-W Granite Club in Waterloo, Canada. To advance to the championship game, Stopera won 6-2 over Hazen Enman (Whitby, ON) in the semifinals of the 2017 U21 Royal Slam in Waterloo, Ontario, Canada; and won 3-2 over Nicholas Connolly (Seattle, USA) in the quarterfinals. of the 2017 U21 Royal Slam in Waterloo, Ontario, Canada;
 
Stopera finished 4-1 in the 0-team qualifying round. . In their opening game, Stopera defeated John Paul Munich (Midland, MI) 7-6, then won 5-0 against Jed Currie (Kitchener-Waterloo, ON) and 5-4 against Ryan Fayaz (Thornhill, ON). Stopera went on to lose 6-3 against Nathan Marshall (Paris, ON). Stopera responded with a 5-2 win over Enman in their final qualifying round match.
 
. For week 5 of the event schedule, Stopera did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Stopera ranks th overall on the Year-to-Date rankings with points earned so far this season.