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 Kb8 win in 7 half-moves
3 Ka7 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Kf6 draw
8 Kg5 draw
9 Kg6 draw
10 Ra5 draw
11 Rb5 draw
12 Rc3 draw
13 Rc4 draw
14 Rc6 draw
15 Rc7 draw
16 Rc8 draw
17 Rd5 draw
18 Re5 draw
19 Kf4 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves