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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Rc1 win in 5 half-moves
3 Rc2 win in 5 half-moves
4 Rc3 win in 5 half-moves
5 Ka1 draw
6 Ka3 draw
7 Ka5 draw
8 Ka6 draw
9 Ka7 draw
10 Kb1 draw
11 Kb2 draw
12 Kb5 draw
13 Kb7 draw
14 Kc5 draw
15 Kc6 draw
16 Kc7 draw
17 Ra4 draw
18 Rb4 draw
19 Rc8 draw
20 Rd4 draw
21 Re4 draw
22 Rc5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves