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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb7 draw
3 Kd1 draw
4 Kd2 draw
5 Ke1 draw
6 Kf1 draw
7 Kf2 draw
8 Ra1 draw
9 Ra6 draw
10 Rb2 draw
11 Ka8 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Ka6 loss in 1 half-moves