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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 K4g5 draw
3 K4h5 draw
4 K6g5 draw
5 K6h5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh3 draw
9 Kh7 draw
10 Ra5 draw
11 Re1 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Rf5 draw
16 Rh5 draw
17 Kg3 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves