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 Re8 win in 1 half-moves
3 Ra8 draw
4 Rb1 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Ka5 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Kb5 loss in 1 half-moves
18 Kb6 loss in 1 half-moves
19 Kb7 loss in 1 half-moves