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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Ke5 draw
5 Kf5 draw
6 Ra7 draw
7 Re7 draw
8 Rf7 draw
9 Rg1 draw
10 Rg2 draw
11 Rg5 draw
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Kg3 loss in 2 half-moves
24 Kg4 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh7 loss in 2 half-moves
30 Kg5 loss in 1 half-moves