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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ka4 draw
3 Kb3 draw
4 Kb4 draw
5 Rc3 draw
6 Rd3 draw
7 Re3 draw
8 Rf7 draw
9 Rf2 loss in 8 half-moves
10 Rf1 loss in 6 half-moves
11 Ka2 loss in 4 half-moves
12 Kb2 loss in 4 half-moves
13 Rb3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh3 loss in 2 half-moves