Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kc8 draw
5 Rb2 draw
6 Rb4 draw
7 Rb7 draw
8 Rc5 loss in 20 half-moves
9 Ka7 loss in 18 half-moves
10 Ra5 loss in 10 half-moves
11 Ka8 loss in 8 half-moves
12 Re5 loss in 6 half-moves
13 Rb3 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd5 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