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 Rd4 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Rd5 win in 5 half-moves
6 Rd6 win in 5 half-moves
7 Ra1 draw
8 Rc1 draw
9 Rd2 draw
10 Rd3 draw
11 Rd8 draw
12 Re1 draw
13 Rg1 draw
14 Rh1 draw