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

EGTB: win in 2 half-moves

# move score
1 Rc3 win in 1 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rc8 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 K2b1 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 K1b1 loss in 1 half-moves
15 K1b2 loss in 1 half-moves
16 K2b2 loss in 1 half-moves
17 Ra4 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves
20 Rh4 loss in 1 half-moves