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 Kc5 draw
3 Rb1 draw
4 Rb2 draw
5 Rb4 draw
6 Kd5 loss in 4 half-moves
7 Kb3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 1 half-moves
20 Rg5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves