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 Kb8 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Ka6 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Rc3 win in 5 half-moves
8 Ka8 draw
9 Kc3 draw
10 Kd2 draw
11 Kd4 draw
12 Ke2 draw
13 Ke3 draw
14 Ra1 draw
15 Rb1 draw
16 Rc2 draw
17 Rc4 draw
18 Rc5 draw
19 Rd1 draw
20 Re1 draw
21 Rf1 draw
22 Ke4 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves