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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ke5 draw
9 Kf6 draw
10 Rb7 draw
11 Rc7 draw
12 Rd7 draw
13 Re7 draw
14 Rf1 draw
15 Rf5 draw
16 Rf6 draw
17 Rf8 draw
18 Ke7 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves