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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Ka1 draw
6 Ka2 draw
7 Kb2 draw
8 Kc1 draw
9 Kc2 draw
10 Ra7 draw
11 Rb2 draw
12 Rb3 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rh7 draw
18 Rg7 loss in 2 half-moves