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 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ke4 draw
6 Ke5 draw
7 Ke6 draw
8 Rd4 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf5 draw
13 Rf6 draw
14 Rh4 draw
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves