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 Ra3 draw
8 Rb5 draw
9 Rb6 draw
10 Rb7 draw
11 Rf3 draw
12 Rg3 draw
13 Rh3 draw
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves