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 Ra6 draw
5 Rb4 draw
6 Rb5 draw
7 Rf6 draw
8 Rg6 draw
9 Rh6 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kff1 loss in 2 half-moves
15 Kfg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kgf1 loss in 2 half-moves
18 Kgg2 loss in 2 half-moves
19 Kh1 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves