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 Ke4 draw
3 Ke5 draw
4 Ke6 draw
5 Kf4 draw
6 Kf6 draw
7 Kfg4 draw
8 Kfg5 draw
9 Kfg6 draw
10 Kh4 draw
11 Kh6 draw
12 Khg4 draw
13 Khg5 draw
14 Khg6 draw
15 Rc1 draw
16 Rc2 draw
17 Rc3 draw
18 Rc7 draw
19 Rd8 draw
20 Rf8 draw
21 Rg8 draw
22 Rh8 draw
23 Ra8 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves