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 Kc5 draw
3 Kd5 draw
4 Ke4 draw
5 Ke5 draw
6 Rf4 draw
7 Rg6 draw
8 Rg7 draw
9 Rg8 draw
10 Rh4 draw
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves