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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb8 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Kf1 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kgg3 loss in 2 half-moves
17 Kgh2 loss in 2 half-moves
18 Kh1 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Khg3 loss in 2 half-moves
21 Khh2 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves