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 Ka4 draw
3 Kc2 draw
4 Kc3 draw
5 Kc4 draw
6 Rb5 draw
7 Rb6 draw
8 Rf4 draw
9 Ra4 loss in 18 half-moves
10 Ka3 loss in 16 half-moves
11 Ka2 loss in 12 half-moves
12 Kb2 loss in 8 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves