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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kd7 draw
3 Rg1 draw
4 Rg2 draw
5 Rg3 draw
6 Rg6 draw
7 Rg7 draw
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ka1 loss in 1 half-moves
13 Ka2 loss in 1 half-moves
14 Ka3 loss in 1 half-moves
15 Kb1 loss in 1 half-moves
16 Kb3 loss in 1 half-moves
17 Kc1 loss in 1 half-moves
18 Kc2 loss in 1 half-moves
19 Kc3 loss in 1 half-moves
20 Re8 loss in 1 half-moves
21 Rf8 loss in 1 half-moves
22 Rg5 loss in 1 half-moves
23 Rh8 loss in 1 half-moves