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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 draw
3 Kb4 draw
4 Kc2 draw
5 Kc4 draw
6 Kd2 draw
7 Kd3 draw
8 Kd4 draw
9 Kf7 draw
10 Kf8 draw
11 Kg7 draw
12 Kh7 draw
13 Kh8 draw
14 Ra3 draw
15 Rb2 draw
16 Rb4 draw
17 Rb5 draw
18 Rb6 draw
19 Rb7 draw
20 Rb1 loss in 1 half-moves