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

EGTB: win in 2 half-moves

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