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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd1 draw
5 Rg6 draw
6 Rb1 loss in 16 half-moves
7 Rb2 loss in 12 half-moves
8 Rb5 loss in 12 half-moves
9 Kc1 loss in 8 half-moves
10 Ra6 loss in 8 half-moves
11 Kb1 loss in 4 half-moves
12 Kb2 loss in 4 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves