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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 K2b2 draw
3 K2b3 draw
4 K3b2 draw
5 K3b3 draw
6 Ka1 draw
7 Ka4 draw
8 Kb1 draw
9 Kb4 draw
10 Rc1 draw
11 Rc3 draw
12 Rc4 draw
13 Rc8 draw
14 Rg2 draw
15 Rh2 draw
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves