Griekspoor broke for 2-0 but Lehečka broke back for 1-2 and again for 4-3, clinching 6-4 with a hold for 6-4.
Griekspoor broke for 6-4 to take the set, after a deuce hold for 3-3 by Lehečka kept the set competitive.
Griekspoor broke for 4-2 and sealed 6-3, saving break points in a 7 minute hold for 2-1 and an 8 minute hold for 3-2.