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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Ra8 draw
5 Rb1 draw
6 Rb2 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 Rg8 draw
12 Rh8 draw
13 Ka6 loss in 2 half-moves
14 Ka8 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves