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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Kaa2 draw
4 Kab2 draw
5 Kba2 draw
6 Kbb2 draw
7 Kc1 draw
8 Kc2 draw
9 Ra7 draw
10 Rb7 draw
11 Rc3 draw
12 Rc8 draw
13 Rh7 draw
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves