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 Kb4 draw
4 Kb5 draw
5 Ra4 draw
6 Re4 draw
7 Rf2 draw
8 Rf3 draw
9 Rf5 draw
10 Rf6 draw
11 Ka6 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh4 loss in 2 half-moves