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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Re8 win in 1 half-moves
3 Rf8 win in 1 half-moves
4 Rb5 draw
5 Rb6 draw
6 Rb1 loss in 6 half-moves
7 Ka4 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Kb6 loss in 1 half-moves
19 Rg8 loss in 1 half-moves