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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 K7b8 draw
3 K7d7 draw
4 K7d8 draw
5 K8b8 draw
6 K8d8 draw
7 Kb6 draw
8 Kc6 draw
9 Kd6 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 K8d7 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rb5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rb8 loss in 1 half-moves