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 Kc3 draw
3 Kd2 draw
4 Kd4 draw
5 Ke3 draw
6 Ra1 draw
7 Rb1 draw
8 Rc1 draw
9 Re1 draw
10 Rf1 draw
11 Kc2 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kg6 loss in 1 half-moves
16 Kg7 loss in 1 half-moves
17 Kg8 loss in 1 half-moves
18 Kh6 loss in 1 half-moves
19 Kh8 loss in 1 half-moves
20 Rd2 loss in 1 half-moves
21 Rh1 loss in 1 half-moves