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 Rf4 draw
3 Rg4 draw
4 Rh4 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kbc1 loss in 2 half-moves
9 Kbc2 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kdc1 loss in 2 half-moves
12 Kdc2 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves