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

EGTB: win in 4 half-moves

# move score
1 K8b7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 K6b7 draw
4 K6c7 draw
5 K6d7 draw
6 K8c7 draw
7 K8d7 draw
8 Kb6 draw
9 Kb8 draw
10 Kd6 draw
11 Kd8 draw
12 Ra7 draw
13 Rc7 draw
14 Rg4 draw
15 Rg5 draw
16 Rg6 draw
17 Rg8 draw
18 Rh7 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 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