Tour Championship leader Brooks Koepka said he was getting close to his best form.
World number one Brooks Koepka carded a three-under 67 to grab the outright lead at the Tour Championship.
Though Matthew Fitzpatrick leads in Gothenburg, there is hope of a home winner after a great day for Henrik Stenson.
Justin Thomas reflected on his first-round 70 as he ended Thursday level alongside Xander Schauffele and Brooks Koepka.
The first-round lead belongs to Justin Thomas, Brooks Koepka and Xander Schauffele at East Lake.
It was a fine start to the Scandinavian Invitation for Wade Ormsby, who leads by one stroke after the opening round.
Brooks Koepka is prepared to pay Justin Thomas on Sunday after placing a silly bet.
Justin Thomas will start in the lead at the Tour Championship, but Justin Rose remains hopeful he can defend his FedEx Cup title.
The Tour Championship has been revamped for 2019, but Rory McIlroy is unsure if the format will help boost the FedEx Cup finale's prestige.
An increase in the FedEx Cup prize money does not play into Justin Thomas' thinking as he looks to defend his position atop the standings.