AmCharts v5: pre-zooming date axis

I am setting up a candlestick chart from this example:

https://www.amcharts.com/demos/candlestick-chart/

What I am trying to do is to pre-zoom the chart to the last 10% of the available data. In the documentation ( https://www.amcharts.com/docs/v5/charts/xy-chart/zoom-and-pan/ ) it says to use the start parameter:

var xAxis = chart.xAxes.push(
  am5xy.DateAxis.new(root, {
    start: 0.9,
    renderer: am5xy.AxisRendererX.new(root, {})
  })
);

In the note below this code it says if a scrollbar is used, add the very same start offset as in the chart date axis.

So, within the sample code I set:

var xAxis = chart.xAxes.push(
  am5xy.DateAxis.new(root, {
    start: 0.95,
    groupData: true,
    maxDeviation:0.5,
    baseInterval: { timeUnit: "day", count: 1 },
    renderer: am5xy.AxisRendererX.new(root, {pan:"zoom"}),
    tooltip: am5.Tooltip.new(root, {})
  })
);

and for the srollbar:

var sbxAxis = scrollbar.chart.xAxes.push(
  am5xy.DateAxis.new(root, {
    start: 0.95,
    groupData: true,
    groupIntervals: [{ timeUnit: "week", count: 1 }],
    baseInterval: { timeUnit: "day", count: 1 },
    renderer: am5xy.AxisRendererX.new(root, {
      opposite: false,
      strokeOpacity: 0
    })
  })
);

I tried everything. I tried from https://www.amcharts.com/docs/v5/charts/xy-chart/axes/category-date-axis/

xAxis.zoomToDates(new Date(2021, 0, 1), new Date(2022, 0, 1));

and

series.events.once("datavalidated", function(ev) {
  ev.target.get("xAxis").zoomToDates(new Date(2021, 0, 1), new Date(2022, 0, 1));
});

I tried adding "end: 1" to both elements. No luck.

Please, advice. Thanks a lot in advance.

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