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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Ke7 draw
9 Ke8 draw
10 Kf7 draw
11 Kg7 draw
12 Kg8 draw
13 Ra1 draw
14 Ra2 draw
15 Ra4 draw
16 Ra6 draw
17 Ra7 draw
18 Rb5 draw
19 Kb6 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra3 loss in 1 half-moves