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 Rb3 draw
9 Rb7 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rg5 draw
14 Rh5 draw
15 Ra5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb2 loss in 1 half-moves
18 Rf5 loss in 1 half-moves