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 Kd1 draw
5 Ra1 draw
6 Rb2 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves