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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg4 draw
8 Rg5 draw
9 Rg6 draw
10 Rg8 draw
11 K2a2 loss in 2 half-moves
12 K2a3 loss in 2 half-moves
13 K2c2 loss in 2 half-moves
14 K2c3 loss in 2 half-moves
15 K3a2 loss in 2 half-moves
16 K3a3 loss in 2 half-moves
17 K3c2 loss in 2 half-moves
18 K3c3 loss in 2 half-moves
19 Ka1 loss in 2 half-moves
20 Ka4 loss in 2 half-moves
21 Kb1 loss in 2 half-moves
22 Kb4 loss in 2 half-moves
23 Kc1 loss in 2 half-moves
24 Kc4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rh7 loss in 2 half-moves