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

EGTB: win in 8 half-moves

# move score
1 Ra4 win in 7 half-moves
2 Rb4 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Rf4 draw
7 Ka1 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kbc1 loss in 2 half-moves
13 Kbc2 loss in 2 half-moves
14 Kbc3 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kdc1 loss in 2 half-moves
18 Kdc2 loss in 2 half-moves
19 Kdc3 loss in 2 half-moves
20 Ke1 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rd4 loss in 2 half-moves
28 Re4 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves