Defending FedEx Cup champion Rory McIlroy produced an excellent performance in the opening round of the 2023 BMW Championship. He, alongside the 2023 Open Championship winner, Brian Harman, is jointly leading the leaderboard after Thursday's play at the Olympia Fields North Course. The Northern Irish golfer is paired with Lucas Glover, who is placed on the T23 rank on the leaderboard after the first round. The duo will now tee off at 1:38 p.m. ET.Rory McIlroy shot a bogey-less 5 under 65 in the opening round. His scorecard included four birdies, while Brian Harman carded the same score with the help of six birdies and a bogey. The Champion Golfer of the Year, Harman, is paired with Tommy Fleetwood and they will tee off at 1:49 p.m. at the 2023 BMW Championship. World No. 1 Scottie Scheffler had a blistering performance as well on the opening round of the BMW Championship. He is currently on the T3 rank on the leaderboard and is paired with Jon Rahm, the first-ranked golfer in the FedEx Cup rankings. They will tee off at 11:21 a.m. ET. What are the tee times for Friday's play at the 2023 BMW Championship?Below are the tee times and pairings for the second FedEx Cup playoff event (all times in ET):9:26 a.m. - Cam Davis, Cameron Young9:37 a.m. - Andrew Putnam, Eric Cole9:48 a.m. - Seamus Power, Lee Hodges9:59 a.m. - Kurt Kitayama, Denny McCarthy10:10 a.m. - Chris Kirk, Sam Burns10:21 a.m. - Corey Conners, Tyrrell Hatton10:32 a.m. - Jason Day, Collin Morikawa10:43 a.m. - Si Woo Kim, Tom Kim10:54 a.m. - Tony Finau, Taylor Moore11:10 a.m. - Viktor Hovland, Wyndham Clark11:21 a.m. - Jon Rahm, Scottie Scheffler11:32 a.m. - Keegan Bradley, Rickie Fowler11:43 a.m. - Harris English, Patrick Rodgers11:54 a.m. - J.T. Poston, Brendon Todd12:05 p.m. - Adam Svensson, Matt Fitzpatrick12:16 p.m. - Adam Hadwin, Byeong Hun An12:27 p.m. - Sahith Theegala, Justin Rose12:43 p.m. - Jordan Spieth, Sungjae Im12:54 p.m. - Emiliano Grillo, Sepp Straka1:05 p.m. - Xander Schauffele, Adam Schenk1:16 p.m. - Russell Henley, Nick Taylor1:27 p.m. - Patrick Cantlay, Max Homa1:38 p.m. - Rory McIlroy, Lucas Glover1:49 p.m. - Brian Harman, Tommy Fleetwood2:00 p.m. - Hideki Matsuyama, Tom HogeHow to watch the 2023 BMW Championship on Friday?The second post-season playoff event features a field of the top 50 players from the FedEx Cup Rankings. The tournament has a massive prize pool of $20 million and will offer the winner a $3.6 million paycheck. Fans can watch the entire event on Golf Channel from 02:00 p.m. to 06:00 p.m. ET. They can also tune in to the SiriusXM PGA TOUR Radio channel from 12:00 p.m. to 06:00 p.m. ET. The live digital broadcasting will start on the PGA Tour Live from 9:15 a.m. and will end at 06:00 p.m.