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

EGTB: win in 10 half-moves

# move score
1 Ra7 win in 9 half-moves
2 K1a2 draw
3 K1b2 draw
4 K3a2 draw
5 K3b2 draw
6 Ka4 draw
7 Kb1 draw
8 Kb3 draw
9 Kb4 draw
10 Rb7 draw
11 Rc4 draw
12 Rc5 draw
13 Rc6 draw
14 Rc8 draw
15 Rd7 draw
16 Rh7 draw
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves