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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf4 draw
5 Kf6 draw
6 Kg2 draw
7 Kg4 draw
8 Kg5 draw
9 Kg6 draw
10 Kh1 draw
11 Kh2 draw
12 Rd1 draw
13 Rd2 draw
14 Rd8 draw
15 Re3 draw
16 Rf3 draw
17 Rh3 draw
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rd7 loss in 2 half-moves