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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc5 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd7 win in 3 half-moves
6 Kg6 win in 3 half-moves
7 Kg7 win in 3 half-moves
8 Kh5 win in 3 half-moves
9 Kh7 win in 3 half-moves
10 Rb7 win in 3 half-moves
11 Rb8 win in 3 half-moves
12 Kb5 draw
13 Kb7 draw
14 Kd6 draw
15 Ra6 draw
16 Rb3 draw
17 Rb5 draw
18 Kg5 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves