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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ka4 draw
3 Kb3 draw
4 Kb4 draw
5 Ra8 draw
6 Rb4 draw
7 Rb5 draw
8 Rd8 draw
9 Re8 draw
10 Kb2 loss in 10 half-moves
11 Ka2 loss in 6 half-moves
12 Rc8 loss in 6 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rf8 loss in 1 half-moves