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

EGTB: win in 2 half-moves

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