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

EGTB: win in 2 half-moves

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