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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rg3 win in 5 half-moves
4 Rh3 win in 5 half-moves
5 K6g6 draw
6 K6g7 draw
7 K7g6 draw
8 K7g7 draw
9 Kg5 draw
10 Kg8 draw
11 Kh5 draw
12 Kh8 draw
13 Ra3 draw
14 Rb1 draw
15 Rb2 draw
16 Rb4 draw
17 Rf3 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves