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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb6 draw
4 Rb7 draw
5 K7d7 loss in 2 half-moves
6 K7d8 loss in 2 half-moves
7 K8d7 loss in 2 half-moves
8 K8d8 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 K7b7 loss in 1 half-moves
16 K8b7 loss in 1 half-moves
17 Kb6 loss in 1 half-moves