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 Ka3 draw
3 Kb3 draw
4 Kb4 draw
5 Rc4 draw
6 Rd4 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rf5 draw
11 Rf6 draw
12 Rf8 draw
13 Ka5 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rh4 loss in 2 half-moves