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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Rc7 win in 5 half-moves
3 Rc8 win in 5 half-moves
4 Ke7 draw
5 Ke8 draw
6 Kf7 draw
7 Kfg7 draw
8 Kfg8 draw
9 Kh7 draw
10 Khg7 draw
11 Khg8 draw
12 Ra4 draw
13 Rb4 draw
14 Rc3 draw
15 Rc5 draw
16 Rc6 draw
17 Rd4 draw
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves