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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke2 draw
8 Ke3 draw
9 Kg1 draw
10 Ra7 draw
11 Rb7 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf1 draw
16 Rf2 draw
17 Rf3 draw
18 Rf8 draw
19 Kg2 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves