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 Ke8 win in 5 half-moves
3 Rc7 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Kf7 draw
6 Kfg7 draw
7 Kfg8 draw
8 Kh7 draw
9 Khg7 draw
10 Khg8 draw
11 Ra4 draw
12 Rb4 draw
13 Rc5 draw
14 Rc6 draw
15 Rd4 draw
16 Ke7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 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