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 Ka4 draw
4 Kb4 draw
5 Kc3 draw
6 Kc4 draw
7 Re4 draw
8 Rf2 draw
9 Rf3 draw
10 Rh4 draw
11 Ka2 loss in 4 half-moves
12 Kb2 loss in 4 half-moves
13 Kc2 loss in 4 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rf1 loss in 1 half-moves