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 Kaa1 draw
3 Kaa3 draw
4 Kab1 draw
5 Kab3 draw
6 Kba3 draw
7 Kbb3 draw
8 Ra7 draw
9 Rb7 draw
10 Rc2 draw
11 Rc3 draw
12 Rc6 draw
13 Rc8 draw
14 Rh7 draw
15 Kba1 loss in 2 half-moves
16 Kbb1 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Kc3 loss in 1 half-moves