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 7 half-moves
3 Rb4 win in 7 half-moves
4 Ra7 draw
5 Rb1 draw
6 Rb8 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 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 Kd5 loss in 2 half-moves
15 Kde3 loss in 2 half-moves
16 Kde4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kfe3 loss in 2 half-moves
22 Kfe4 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Kg4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rb6 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rd7 loss in 2 half-moves
30 Re7 loss in 2 half-moves