According to this, Gilles is playing an exhibition match before Bangkok...
... Cibulkova, who flew in from Canada will be joined by three other world-class tennis stars – Victoria Azarenka of Belarus, Gilles Simon of France and Feliciano Lopez of Spain – to play singles and doubles matches at the one-day event.
Azarenka, Simon and Lopez are expected to arrive in HCM City on September 19.
Well, it will be a light practice before going full force in Bangkok. Hope his shoulder is healed enough, I don't think it can completely heal in such short time, but knowing Gilles, he probably won't miss any tournament now being only 6 more weeks of the season to go. He won't be too happy if he falls off Top 20, me neither.