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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ke5 draw
3 Ke6 draw
4 Ke7 draw
5 Kf5 draw
6 Kf7 draw
7 Kg1 draw
8 Kg2 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Kh2 draw
13 Rd1 draw
14 Re1 draw
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves