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 Rf6 win in 5 half-moves
4 Rh6 win in 5 half-moves
5 Kf1 draw
6 Kf2 draw
7 Kgg2 draw
8 Kgh2 draw
9 Khg2 draw
10 Khh2 draw
11 Ra6 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rg6 draw
16 Rb7 loss in 2 half-moves
17 Rb8 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