![Czech badminton player Petr Koukal speaks during a press conference prior to his flight to the BWF World Championships in Guangzhou, China. Petr Koukal is seen in Prague, Czech Republlic, July 29, Czech badminton player Petr Koukal speaks during a press conference prior to his flight to the BWF World Championships in Guangzhou, China. Petr Koukal is seen in Prague, Czech Republlic, July 29,](https://c8.alamy.com/comp/DBE0HD/czech-badminton-player-petr-koukal-speaks-during-a-press-conference-DBE0HD.jpg)
Czech badminton player Petr Koukal speaks during a press conference prior to his flight to the BWF World Championships in Guangzhou, China. Petr Koukal is seen in Prague, Czech Republlic, July 29,
![Petr Koukal, CZE, jubelt, Emil Holst, Den, ist enttaeuscht, 30 10 2012 Badmintion Bitburger Open 2012, S Petr Koukal, CZE, jubelt, Emil Holst, Den, ist enttaeuscht, 30 10 2012 Badmintion Bitburger Open 2012, S](https://www.imago-images.com/bild/sp/0011792875/w.jpg)
Petr Koukal, CZE, jubelt, Emil Holst, Den, ist enttaeuscht, 30 10 2012 Badmintion Bitburger Open 2012, S
![Czech player Petr Koukal competes in badminton men's singles group E match at the Baku 2015 1st..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201506240203701 | agefotostock Czech player Petr Koukal competes in badminton men's singles group E match at the Baku 2015 1st..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201506240203701 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/4c63c4e58f4b76ad8b36a1ac771976c3/ckp-p201506240203701.jpg)
Czech player Petr Koukal competes in badminton men's singles group E match at the Baku 2015 1st..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201506240203701 | agefotostock
![Badminton Europe on Twitter: "Another upset: Czech no 1 Petr Koukal bt Boonsak Poosana (THA) in three games and reached the last 16 of Swiss Open. https://t.co/znHRJ01n7m" Badminton Europe on Twitter: "Another upset: Czech no 1 Petr Koukal bt Boonsak Poosana (THA) in three games and reached the last 16 of Swiss Open. https://t.co/znHRJ01n7m"](https://pbs.twimg.com/media/CdvrASNUAAEi4X0.jpg)