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