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

EGTB: win in 8 half-moves

# move score
1 Ra1 win in 7 half-moves
2 Re8 draw
3 Rh1 draw
4 K3b3 loss in 2 half-moves
5 K3b4 loss in 2 half-moves
6 K4b3 loss in 2 half-moves
7 K4b4 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves