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 Rb3 draw
4 Rb4 draw
5 Rb8 draw
6 Rd5 draw
7 Ka3 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Re5 loss in 1 half-moves
16 Rf5 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rh5 loss in 1 half-moves