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

EGTB: win in 4 half-moves

# move score
1 K6c6 win in 3 half-moves
2 K6c7 win in 3 half-moves
3 K7c7 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Rc7 win in 3 half-moves
6 Rb8 win in 5 half-moves
7 Ra7 draw
8 Rb4 draw
9 Rb6 draw
10 K6e6 loss in 2 half-moves
11 K6e7 loss in 2 half-moves
12 K7c6 loss in 2 half-moves
13 K7e6 loss in 2 half-moves
14 K7e7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves