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 Kf8 draw
3 Kg6 draw
4 Kgg7 draw
5 Kgh8 draw
6 Kh6 draw
7 Khg7 draw
8 Khh8 draw
9 Ra3 draw
10 Ra8 draw
11 Rb7 draw
12 Kf7 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves