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

EGTB: win in 2 half-moves

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