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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kb6 draw
10 Kc1 draw
11 Kc3 draw
12 Kd1 draw
13 Kd2 draw
14 Kd3 draw
15 Ra8 draw
16 Rb8 draw
17 Rc3 draw
18 Rg8 draw
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves