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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb5 draw
5 Rb8 draw
6 Rf6 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kfg1 loss in 2 half-moves
11 Kfg2 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Khg1 loss in 2 half-moves
14 Khg2 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves