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 3 half-moves
3 Kd7 win in 3 half-moves
4 Kd8 win in 3 half-moves
5 Rf1 win in 3 half-moves
6 Ka8 draw
7 Kd6 draw
8 Ke6 draw
9 Ke8 draw
10 Kf6 draw
11 Kf7 draw
12 Kf8 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rc8 draw
17 Rd1 draw
18 Re1 draw
19 Rg1 draw
20 Rh1 draw
21 Ka6 loss in 2 half-moves
22 Kb6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rc4 loss in 2 half-moves