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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Rb1 draw
8 Rb2 draw
9 Rb5 draw
10 Rb6 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rg3 draw
15 Rh3 draw
16 Ra3 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rf3 loss in 2 half-moves