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 Ka7 draw
3 Kb8 draw
4 Kc5 draw
5 Kc6 draw
6 Kd6 draw
7 Ke5 draw
8 Ke6 draw
9 Ra7 draw
10 Rb7 draw
11 Rd7 draw
12 Rf3 draw
13 Rf4 draw
14 Rf5 draw
15 Rf6 draw
16 Rf8 draw
17 Rg7 draw
18 Rh7 draw
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves