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 Rb7 win in 1 half-moves
3 Kb4 draw
4 Kb5 draw
5 Ra8 loss in 6 half-moves
6 Rf8 loss in 4 half-moves
7 Rg8 loss in 4 half-moves
8 Ka3 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rb1 loss in 1 half-moves
19 Rh8 loss in 1 half-moves