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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rh8 win in 5 half-moves
3 Kf1 draw
4 Kf2 draw
5 Kg3 draw
6 Kgg2 draw
7 Kgh1 draw
8 Kh3 draw
9 Khg2 draw
10 Khh1 draw
11 Ra8 draw
12 Rb1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb7 draw
16 Rf8 draw
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves