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 Rd5 win in 1 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb7 draw
7 Kc6 draw
8 Kc7 draw
9 Ra5 draw
10 Rc5 draw
11 Kc5 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves