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 Rb6 draw
9 Rb7 draw
10 Rc3 draw
11 Rf3 draw
12 Re3 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves