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