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 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Kb5 win in 3 half-moves
5 Kb8 draw
6 Kc5 draw
7 Kc8 draw
8 Kd5 draw
9 Kd8 draw
10 K6b7 loss in 2 half-moves
11 K6d6 loss in 2 half-moves
12 K6d7 loss in 2 half-moves
13 K7b7 loss in 2 half-moves
14 K7d6 loss in 2 half-moves
15 K7d7 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves