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 K6a7 draw
3 K6b7 draw
4 K6c7 draw
5 K8a7 draw
6 K8b7 draw
7 K8c7 draw
8 Ka5 draw
9 Ka6 draw
10 Ka8 draw
11 Kb5 draw
12 Kc8 draw
13 Rb7 draw
14 Rc7 draw
15 Rg2 draw
16 Rg6 draw
17 Rg8 draw
18 Rh7 draw
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves