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 Ra3 draw
3 Rc2 draw
4 Rc6 draw
5 Rc7 draw
6 Rc8 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 Rc1 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves