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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd3 draw
5 Rb1 draw
6 Rb2 draw
7 Rb6 draw
8 Rc5 draw
9 Rd5 loss in 14 half-moves
10 Kb1 loss in 10 half-moves
11 Kb2 loss in 10 half-moves
12 Kc1 loss in 10 half-moves
13 Kd1 loss in 4 half-moves
14 Kd2 loss in 4 half-moves
15 Ra5 loss in 4 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rf5 loss in 1 half-moves