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

EGTB: win in 6 half-moves

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