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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kd7 win in 7 half-moves
3 Ra1 win in 7 half-moves
4 Ka7 draw
5 Ka8 draw
6 Kbb7 draw
7 Kbc7 draw
8 Kcb7 draw
9 Kcc7 draw
10 Kd8 draw
11 Rb1 draw
12 Rc2 draw
13 Rc6 draw
14 Rd1 draw
15 Rh1 draw
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves