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

EGTB: win in 4 half-moves

# move score
1 Kf1 win in 3 half-moves
2 Kf2 win in 3 half-moves
3 Re1 win in 5 half-moves
4 Re2 win in 5 half-moves
5 Kgg1 draw
6 Kgh2 draw
7 Khg1 draw
8 Ra7 draw
9 Rb7 draw
10 Rc7 draw
11 Rd7 draw
12 Re8 draw
13 Rf7 draw
14 Kf3 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Khh2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves