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