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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kc5 draw
5 Kd3 draw
6 Kd5 draw
7 Ke3 draw
8 Ke4 draw
9 Ra2 draw
10 Rc3 draw
11 Rc4 draw
12 Rc5 draw
13 Rc6 draw
14 Rc8 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rg2 draw
19 Rh2 draw
20 Ke5 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc7 loss in 2 half-moves