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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 K6b7 draw
3 K6c7 draw
4 K6d7 draw
5 K8b7 draw
6 K8c7 draw
7 K8d7 draw
8 Kb5 draw
9 Kb6 draw
10 Kb8 draw
11 Kc5 draw
12 Kd5 draw
13 Kd6 draw
14 Kd8 draw
15 Ra3 draw
16 Rg4 draw
17 Rg6 draw
18 Rg7 draw
19 Rg8 draw
20 Rh3 draw
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves