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 Ra1 draw
7 Rc1 draw
8 Re1 draw
9 Rf1 draw
10 Rg2 draw
11 Rg3 draw
12 Rg5 draw
13 Rh1 draw
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves