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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Kg6 draw
3 Kgg7 draw
4 Kgh8 draw
5 Kh6 draw
6 Khg7 draw
7 Khh8 draw
8 Ra2 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Rf2 draw
13 Rh2 draw
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves