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 Rc2 draw
11 Rd1 draw
12 Rd3 draw
13 Rd4 draw
14 Rd8 draw
15 Rh2 draw
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves