Henrik Mustonen boosted Nordic interest in the Case Swedish Open in Linköping after surviving a five-game battle in the qualifying finals of the long-established PSA World Tour International 70 squash event at the Linköping Sporthall.
The 21-year-old Finn beat England's Adrian Waller 11-9, 9-11, 12-10, 10-12, 11-4 and will now face Egypt's No2 seed Karim Darwish in the opening round.
In a day of upsets, New Zealander Campbell Grayson dismissed Hong Kong's Max Lee, the highest-ranked player in the qualifiers, 6-11, 11-6, 11-9, 11-3 - while Egypt's Amr Khaled Khalifa ousted England's Chris Ryder 11-8, 11-6, 11-4.
An all-English clash produced the fourth qualifier when Chris Simpson beat Joe Lee 11-5, 11-4, 11-4.
Gregory Gaultier, the world No3 from France, is the event's top seed - who lines up against top-ranked Indian Saurav Ghosal in the first round.
RESULTS: PSA International 70 Case Swedish Open, Linkoping, Sweden
Amr Khaled Khalifa (EGY) bt Chris Ryder (ENG) 11-8, 11-6, 11-4
Henrik Mustonen (FIN) bt Adrian Waller (ENG) 11-9, 9-11, 12-10, 10-12, 11-4
Chris Simpson (ENG) bt Joe Lee (ENG) 11-5, 11-4, 11-4
Campbell Grayson (NZL) bt Max Lee (HKG) 6-11, 11-6, 11-9, 11-3
Updated 1st round draw:
 Gregory Gaultier (FRA) v Saurav Ghosal (IND)
Tom Richards (ENG) v [Q] Chris Simpson (ENG)
Stephen Coppinger (RSA) v [Q] Campbell Grayson (NZL)
 Peter Barker (ENG) v Rasmus Hult (SWE)
 Thierry Lincou (FRA) v Daryl Selby (ENG)
Simon Rosner (GER) v [Q] Amr Khaled Khalifa (EGY)
Nicolas Mueller (SUI) v Mohd Nafiizwan Adnan (MAS)
 Karim Darwish (EGY) v [Q] Henrik Mustonen (FIN)
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