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 Kb2 draw
3 Kc2 draw
4 Kc4 draw
5 Kd2 draw
6 Ra8 draw
7 Rc5 draw
8 Rc6 draw
9 Rc7 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves