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

EGTB: win in 2 half-moves

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