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 Rb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Rf4 win in 1 half-moves
5 Rg4 win in 1 half-moves
6 Rh4 win in 1 half-moves
7 Ra4 draw
8 Rb2 draw
9 Rb3 draw
10 Rb6 draw
11 Rd4 draw
12 Re4 draw
13 Rb5 loss in 2 half-moves
14 Rc4 loss in 2 half-moves