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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kfg2 draw
6 Kg1 draw
7 Kg3 draw
8 Kg4 draw
9 Kh2 draw
10 Kh4 draw
11 Khg2 draw
12 Rc6 draw
13 Rd1 draw
14 Ra1 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves