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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kc4 win in 7 half-moves
4 Kc5 win in 7 half-moves
5 Ka2 draw
6 Kc6 draw
7 Kd4 draw
8 Kd6 draw
9 Ke4 draw
10 Ke5 draw
11 Ra2 draw
12 Rb2 draw
13 Rc1 draw
14 Rc3 draw
15 Rc5 draw
16 Rc7 draw
17 Rd2 draw
18 Re2 draw
19 Rf2 draw
20 Ke6 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves