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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Ke8 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Kfg6 loss in 1 half-moves
19 Kfg7 loss in 1 half-moves
20 Kfg8 loss in 1 half-moves
21 Khg6 loss in 1 half-moves
22 Khg7 loss in 1 half-moves
23 Khg8 loss in 1 half-moves