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 Rb1 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Re5 draw
7 Rf5 draw
8 Rg5 draw
9 Ka7 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rd5 loss in 1 half-moves