"I believe, deep down in my heart, that there are a lot of things I haven't shown yet because I didn't have to show it at that point. There are skills I haven't had to display.🚫DANGER! HIGH VOLTAGE⚡ Thai teenager Atthaya Thitikul holds a commanding advantage in the standings having won the Tipsport Czech Ladies Open and the VP Bank Swiss Ladies Open earlier in the season, with Sanna Nuutinen and Stephanie Kyriacou sitting below her in the rankings. finished in a tie for third at the Challenge Costa Brava to climb 20 places to 44th on the Rankings and secure his spot at the#RolexGrandFinalpic.twitter.com/gdt355jRcm Koepka said earlier this summer that they "banter back and forth in good fun" while DeChambeau's coach Mike Schy has suggested they are both doing it to "maximise their global profile".