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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Re4 draw
5 Rf4 draw
6 Rg4 draw
7 K7b7 loss in 2 half-moves
8 K7b8 loss in 2 half-moves
9 K8b7 loss in 2 half-moves
10 K8b8 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves