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