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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rh8 win in 1 half-moves
5 Ra8 draw
6 Rb1 draw
7 Rb5 draw
8 Rb7 draw
9 Rd8 draw
10 Re8 draw
11 Rg8 draw
12 Rb6 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves