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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kd4 draw
5 Kd5 draw
6 Re5 draw
7 Rf5 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rh5 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves