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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rd7 draw
8 Rg7 draw
9 Rh7 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kgg2 loss in 2 half-moves
14 Kgh1 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Khg2 loss in 2 half-moves
17 Khh1 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves