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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ra1 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd7 draw
7 Re7 draw
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kgg8 loss in 2 half-moves
13 Kgh7 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Khg8 loss in 2 half-moves
16 Khh7 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves