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 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rb4 draw
9 Rh4 draw
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves