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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kd8 win in 5 half-moves
3 K8b7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb8 draw
7 Kc5 draw
8 Ra7 draw
9 Rh7 draw
10 K6b7 loss in 2 half-moves
11 K6d7 loss in 2 half-moves
12 K8d7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves