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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kf3 draw
3 Kf5 draw
4 Kfg3 draw
5 Kg1 draw
6 Kg2 draw
7 Kg4 draw
8 Kg5 draw
9 Kh1 draw
10 Kh3 draw
11 Khg3 draw
12 Ra8 draw
13 Re2 draw
14 Re6 draw
15 Re7 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Re5 loss in 2 half-moves