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 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb5 draw
6 Kb7 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Ke7 draw
11 Kf7 draw
12 Kf8 draw
13 Rb7 draw
14 Rc7 draw
15 Rg7 draw
16 Rh2 draw
17 Rh5 draw
18 Rh6 draw
19 Rh8 draw
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves