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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Re8 win in 7 half-moves
3 Rf8 win in 7 half-moves
4 Rg8 win in 7 half-moves
5 Rh8 win in 7 half-moves
6 Kb5 win in 9 half-moves
7 Ka5 draw
8 Ke2 draw
9 Kf1 draw
10 Kf2 draw
11 Ra8 draw
12 Rc4 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rd8 draw
17 Kd1 loss in 4 half-moves
18 Kd2 loss in 4 half-moves
19 Rc3 loss in 4 half-moves
20 Ka3 loss in 2 half-moves
21 Kb3 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves