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 Rd7 draw
3 Rg7 draw
4 Rh7 draw
5 K1a1 loss in 2 half-moves
6 K1a2 loss in 2 half-moves
7 K1c1 loss in 2 half-moves
8 K1c2 loss in 2 half-moves
9 K2a1 loss in 2 half-moves
10 K2a2 loss in 2 half-moves
11 K2c1 loss in 2 half-moves
12 K2c2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves