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 Ka6 draw
3 Ka8 draw
4 Rb7 draw
5 Rc8 loss in 8 half-moves
6 Rd8 loss in 8 half-moves
7 Re8 loss in 8 half-moves
8 Kb7 loss in 6 half-moves
9 Ra8 loss in 6 half-moves
10 Kb6 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves