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 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kg3 draw
7 Kh1 draw
8 Kh2 draw
9 Kh3 draw
10 Rf7 draw
11 Rg5 draw
12 Rg6 draw
13 Rg8 draw
14 Rh7 draw
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Re7 loss in 1 half-moves