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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rc7 win in 5 half-moves
3 Rd7 win in 5 half-moves
4 Ra7 win in 9 half-moves
5 Re7 draw
6 Rf7 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 K1b2 loss in 2 half-moves
12 K1c2 loss in 2 half-moves
13 K1d2 loss in 2 half-moves
14 K3b2 loss in 2 half-moves
15 K3c2 loss in 2 half-moves
16 K3d2 loss in 2 half-moves
17 Kb1 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves