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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb4 win in 9 half-moves
3 Kc4 win in 9 half-moves
4 Ra5 win in 9 half-moves
5 Ka4 draw
6 Ka5 draw
7 Ka6 draw
8 Kb6 draw
9 Kc5 draw
10 Kc6 draw
11 Ra8 draw
12 Rb1 draw
13 Kb2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves