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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Kd2 draw
8 Ke1 draw
9 Ke2 draw
10 Rd4 draw
11 Rf4 draw
12 Rg1 draw
13 Rg2 draw
14 Rg3 draw
15 Rg8 draw
16 Rh4 draw
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves