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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb7 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb7 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 Rg8 draw
12 Rh8 draw
13 Ka7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb6 loss in 2 half-moves