By Jon Wertheim It was an overall awkward match, from on court against Ons Jabeur to off-court politics that hung over Centre Court for a fortnight. WIMBLEDON, England—Losing a tennis match on a stage as big as Centre Court is likely never a good feeling. Sometimes, a player is too good, you get blown off the court and all you can do is tip your cap to them and realize it just wasn’t your day. Other times, the matches are about Xs and Os, or how players handle the moment. For Ons Jabeur, the darling of this tournament for fans and reporters alike, it was a bit of all of the above in Saturday’s…