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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Rb8 draw
9 Rc5 draw
10 Rc6 draw
11 Rc7 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Kc7 loss in 4 half-moves
16 Ra8 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves