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

EGTB: win in 8 half-moves

# move score
1 Rc1 win in 7 half-moves
2 Rc2 draw
3 Rc3 draw
4 Rc4 draw
5 Rc8 draw
6 Re5 draw
7 Rf5 draw
8 Rg5 draw
9 K2b2 loss in 2 half-moves
10 K2b3 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 K3b3 loss in 2 half-moves
13 Ka1 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves