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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka5 win in 5 half-moves
4 Rb2 win in 7 half-moves
5 Ra2 win in 11 half-moves
6 Ka7 draw
7 Kb7 draw
8 Kc1 draw
9 Kc3 draw
10 Kd1 draw
11 Kd3 draw
12 Ke1 draw
13 Rc1 draw
14 Rc6 draw
15 Rc7 draw
16 Rc8 draw
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves