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 Ka7 draw
3 Kb7 draw
4 Rc7 draw
5 Rc8 draw
6 Rc3 loss in 14 half-moves
7 Ka8 loss in 12 half-moves
8 Rd2 loss in 10 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Ra2 loss in 1 half-moves
18 Rb2 loss in 1 half-moves
19 Rh2 loss in 1 half-moves