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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kb8 draw
3 Kd8 draw
4 Kg4 draw
5 Kg5 draw
6 Kg6 draw
7 Kh4 draw
8 Kh6 draw
9 Re8 draw
10 Rf8 draw
11 Rg7 draw
12 Rh8 draw
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves