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

EGTB: win in 4 half-moves

# move score
1 Kh3 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 K1g1 draw
4 K1g2 draw
5 K2g1 draw
6 K2g2 draw
7 Kg3 draw
8 Ra5 draw
9 Rb3 draw
10 Rg3 draw
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves