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 Ka5 draw
3 Ka7 draw
4 Ra8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb5 draw
9 Rb6 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh8 draw
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves