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 Kc2 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kd3 win in 7 half-moves
5 Rb2 win in 7 half-moves
6 Ka6 win in 9 half-moves
7 Ka8 draw
8 Kb7 draw
9 Kb8 draw
10 Kc1 draw
11 Kd1 draw
12 Ke1 draw
13 Ke2 draw
14 Ke3 draw
15 Ra3 draw
16 Rb1 draw
17 Rb4 draw
18 Rb5 draw
19 Rc3 draw
20 Rd3 draw
21 Re3 draw
22 Rf3 draw
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves