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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Rc7 win in 1 half-moves
8 Re7 win in 1 half-moves
9 Rf7 win in 1 half-moves
10 Rg7 win in 1 half-moves
11 Rh7 win in 1 half-moves
12 Ka2 draw
13 Kb1 draw
14 Kb2 draw
15 Ra7 draw
16 Rb1 draw
17 Rd7 loss in 1 half-moves