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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc6 draw
3 Rb5 draw
4 Rb7 draw
5 Rb8 draw
6 Rf6 draw
7 Kd6 loss in 4 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg6 loss in 1 half-moves
21 Rh6 loss in 1 half-moves