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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Kc3 win in 5 half-moves
5 Ka6 draw
6 Ka8 draw
7 Kb8 draw
8 Kc1 draw
9 Kd1 draw
10 Kd3 draw
11 Ra5 draw
12 Rb5 draw
13 Rc2 draw
14 Rc3 draw
15 Rc4 draw
16 Rc6 draw
17 Rc7 draw
18 Rc8 draw
19 Rd5 draw
20 Re5 draw
21 Rf5 draw
22 Ke1 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Ke3 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves