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 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Ra7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Rg8 draw
14 Kb1 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Ke5 loss in 2 half-moves
26 Ke6 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh7 loss in 2 half-moves