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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kd4 draw
7 Kg1 draw
8 Kg2 draw
9 Kh2 draw
10 Ra6 draw
11 Rg2 draw
12 Rg3 draw
13 Rg4 draw
14 Rg5 draw
15 Rh6 draw
16 Kc6 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves