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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Rc2 win in 1 half-moves
6 Rd2 win in 1 half-moves
7 Re2 win in 1 half-moves
8 Rh2 win in 1 half-moves
9 Kb7 draw
10 Ra2 draw
11 Rb7 draw
12 Ka6 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rb3 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rf2 loss in 1 half-moves
19 Rg2 loss in 1 half-moves