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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rd3 win in 3 half-moves
4 Re2 win in 5 half-moves
5 Ka2 draw
6 Ka3 draw
7 Ka4 draw
8 Kb2 draw
9 Kb7 draw
10 Kb8 draw
11 Kc2 draw
12 Kc3 draw
13 Kc6 draw
14 Kc8 draw
15 Kd6 draw
16 Re1 draw
17 Re4 draw
18 Re5 draw
19 Re6 draw
20 Kb4 loss in 2 half-moves
21 Kb6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Kd8 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rh3 loss in 2 half-moves