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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd5 draw
8 Ke3 draw
9 Ke5 draw
10 Ra4 draw
11 Rb4 draw
12 Rc1 draw
13 Rc2 draw
14 Rc3 draw
15 Rc5 draw
16 Ke4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves