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