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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Ra7 draw
7 Rb1 draw
8 Rg7 draw
9 Rh7 draw
10 Kd4 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kef4 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kgf4 loss in 2 half-moves
23 Kh2 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc7 loss in 2 half-moves
28 Rd7 loss in 2 half-moves
29 Re7 loss in 2 half-moves
30 Rf7 loss in 2 half-moves