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

EGTB: win in 6 half-moves

# move score
1 Rg3 win in 5 half-moves
2 Rh3 win in 5 half-moves
3 Kf5 win in 7 half-moves
4 Kf4 draw
5 Kg4 draw
6 Kh4 draw
7 Kh5 draw
8 Ra3 draw
9 Rb1 draw
10 Rb2 draw
11 Rb4 draw
12 Rb5 draw
13 Rc3 draw
14 Rd3 draw
15 Kf6 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves