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 Kc7 draw
3 Rb7 draw
4 Ka7 loss in 10 half-moves
5 Kc8 loss in 10 half-moves
6 Ra5 loss in 10 half-moves
7 Ka8 loss in 8 half-moves
8 Kb7 loss in 6 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rh5 loss in 1 half-moves