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