Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Ra4 draw
5 Rb4 draw
6 Rc5 draw
7 Rc6 draw
8 Rc7 draw
9 Rc8 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves