Ryan Hahn (Ottawa, ON) run at the 2017 U21 Royal Slam came to an end in the semifinals with a 6-3 loss to Christopher Inglis (Toronto, ON). of the 2017 U21 Royal Slam in Waterloo, Ontario, Canada; Hahn advanced through the quarterfinals with a 5-3 win over Charlie Richard (Woodstock, ON). of the 2017 U21 Royal Slam in Waterloo, Ontario, Canada;
 
Hahn finished 4-1 in the 0-team qualifying round. . In their opening game, Hahn defeated Inglis 5-4, then won 5-3 against Derek Bowden (Kingston, ON). Hahn went on to lose 5-4 against Nicholas Connolly (Seattle, USA). Hahn responded with a 7-4 win over Richard. Hahn won 6-2 against Sam Steep (Seaforth, ON) in their final qualifying round match.
 
. For week 5 of the event schedule, Hahn did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Hahn ranks th overall on the Year-to-Date rankings with points earned so far this season.