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

EGTB: win in 2 half-moves

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