The seventh-round games will be played Wednesday at the 2017 Sinquefield Cup chess super tournament, the third round of the Grand Chess Tour, and which is held in the US city of Saint Louis.
In this round, Grandmaster (GM) Levon Aronian (Armenia) will face GM Hikaru Nakamura (USA).
All matches in this round will get underway at 10pm Armenia time.
After six rounds, Aronian, who plays first board for the three-time World Chess Olympiad champions and the former World Team Chess champions Armenia, shares 2nd to 4th places, with 3.5 points.
Sinquefield Cup will wrap up on Friday.