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 Kb3 draw
4 Kb4 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rf2 draw
9 Rf3 draw
10 Rf7 draw
11 Rh4 draw
12 Ka2 loss in 6 half-moves
13 Rf5 loss in 6 half-moves
14 Kb2 loss in 4 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rf1 loss in 1 half-moves