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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Kfg8 draw
3 Ra8 draw
4 Rd1 draw
5 Rd2 draw
6 Rd3 draw
7 Rd5 draw
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Kfg7 loss in 1 half-moves
18 Khg7 loss in 1 half-moves
19 Khg8 loss in 1 half-moves