Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rf8 win in 1 half-moves
3 Rb3 draw
4 Rb4 draw
5 Rb5 draw
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Kb3 loss in 1 half-moves
18 Kb4 loss in 1 half-moves
19 Kb5 loss in 1 half-moves