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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rh8 win in 5 half-moves
4 Kf1 draw
5 Kf2 draw
6 Kgg2 draw
7 Kgh2 draw
8 Khg2 draw
9 Khh2 draw
10 Ra8 draw
11 Rb3 draw
12 Rb4 draw
13 Rc8 draw
14 Rg8 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves