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 Rb6 win in 3 half-moves
4 Rd3 win in 3 half-moves
5 Rg3 win in 3 half-moves
6 Re3 win in 5 half-moves
7 Rf3 win in 5 half-moves
8 Ra3 draw
9 Rb4 draw
10 Rb5 draw
11 Rb7 draw
12 Rb8 draw
13 Rc3 draw
14 Rh3 draw