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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ra8 win in 1 half-moves
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Kc3 draw
7 Kc5 draw
8 Kd4 draw
9 Kd5 draw
10 Kd7 draw
11 Kd8 draw
12 Ke7 draw
13 Kf7 draw
14 Kf8 draw
15 Ra2 draw
16 Ra3 draw
17 Ra5 draw
18 Ra6 draw
19 Rb4 draw
20 Kd3 loss in 2 half-moves
21 Ra1 loss in 1 half-moves