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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra8 draw
3 Rd2 draw
4 Rd5 draw
5 Rd6 draw
6 Rd7 draw
7 Re8 draw
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kgg7 loss in 2 half-moves
12 Kgh8 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Khh8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves