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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb4 win in 7 half-moves
3 Rb5 win in 7 half-moves
4 Ra1 draw
5 Rb7 draw
6 Rb8 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kdd5 loss in 2 half-moves
16 Kde4 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ked5 loss in 2 half-moves
20 Kee4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kf6 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves