diff --git a/services/pcp-tgu-ui-service/src/features/tgu-editor/MapPassSelector.tsx b/services/pcp-tgu-ui-service/src/features/tgu-editor/MapPassSelector.tsx
index a7eaaf3..e8ab98e 100644
--- a/services/pcp-tgu-ui-service/src/features/tgu-editor/MapPassSelector.tsx
+++ b/services/pcp-tgu-ui-service/src/features/tgu-editor/MapPassSelector.tsx
@@ -42,21 +42,34 @@ export function MapPassSelector({ passes, fromIndex, toIndex, onFromChange, onTo
     return Math.round(Math.max(0, Math.min(1, (clientX - rect.left) / rect.width)) * (n - 1)) + 1;
   };
 
-  const makeHandlers = (isFrom: boolean) => ({
+  // Какой ползунок реально тянем. При наложении (fromIndex === toIndex) хват попадает на верхний
+  // (to), но на правом краю он заперт fromIndex и не может уйти влево — поэтому при наложении
+  // выбираем ползунок по направлению движения: влево → from (открыть диапазон), вправо → to.
+  const dragRef = useRef<"from" | "to" | null>(null);
+
+  const makeHandlers = (which: "from" | "to") => ({
     onPointerDown(e: React.PointerEvent<HTMLDivElement>) {
       e.stopPropagation();
+      dragRef.current = which;
       (e.currentTarget as HTMLDivElement).setPointerCapture(e.pointerId);
     },
     onPointerMove(e: React.PointerEvent<HTMLDivElement>) {
       if (!(e.currentTarget as HTMLDivElement).hasPointerCapture(e.pointerId)) return;
       const idx = indexAt(e.clientX);
-      if (isFrom) {
+      let active = dragRef.current;
+      if (fromIndex === toIndex) {
+        if (idx < fromIndex) active = "from";
+        else if (idx > toIndex) active = "to";
+        dragRef.current = active;
+      }
+      if (active === "from") {
         onFromChange(Math.max(1, Math.min(idx, toIndex)));
       } else {
         onToChange(Math.min(n, Math.max(idx, fromIndex)));
       }
     },
     onPointerUp(e: React.PointerEvent<HTMLDivElement>) {
+      dragRef.current = null;
       (e.currentTarget as HTMLDivElement).releasePointerCapture(e.pointerId);
     },
   });
@@ -111,13 +124,13 @@ export function MapPassSelector({ passes, fromIndex, toIndex, onFromChange, onTo
           <div
             className="map-pass-selector__thumb"
             style={{ left: `${fromPct}%` }}
-            {...makeHandlers(true)}
+            {...makeHandlers("from")}
           />
           {/* To handle */}
           <div
             className="map-pass-selector__thumb"
             style={{ left: `${toPct}%` }}
-            {...makeHandlers(false)}
+            {...makeHandlers("to")}
           />
         </div>
 
diff --git a/services/pcp-tgu-ui-service/src/features/tgu-slots/SlotDaySelector.tsx b/services/pcp-tgu-ui-service/src/features/tgu-slots/SlotDaySelector.tsx
index 915616e..24c3269 100644
--- a/services/pcp-tgu-ui-service/src/features/tgu-slots/SlotDaySelector.tsx
+++ b/services/pcp-tgu-ui-service/src/features/tgu-slots/SlotDaySelector.tsx
@@ -37,21 +37,34 @@ export function SlotDaySelector({ days, fromIndex, toIndex, onFromChange, onToCh
     return Math.round(Math.max(0, Math.min(1, (clientX - rect.left) / rect.width)) * (n - 1)) + 1;
   };
 
-  const makeHandlers = (isFrom: boolean) => ({
+  // Какой ползунок реально тянем. При наложении (fromIndex === toIndex) хват попадает на верхний
+  // (to), но на правом краю он заперт fromIndex и не может уйти влево — поэтому при наложении
+  // выбираем ползунок по направлению движения: влево → from (открыть диапазон), вправо → to.
+  const dragRef = useRef<"from" | "to" | null>(null);
+
+  const makeHandlers = (which: "from" | "to") => ({
     onPointerDown(e: React.PointerEvent<HTMLDivElement>) {
       e.stopPropagation();
+      dragRef.current = which;
       (e.currentTarget as HTMLDivElement).setPointerCapture(e.pointerId);
     },
     onPointerMove(e: React.PointerEvent<HTMLDivElement>) {
       if (!(e.currentTarget as HTMLDivElement).hasPointerCapture(e.pointerId)) return;
       const idx = indexAt(e.clientX);
-      if (isFrom) {
+      let active = dragRef.current;
+      if (fromIndex === toIndex) {
+        if (idx < fromIndex) active = "from";
+        else if (idx > toIndex) active = "to";
+        dragRef.current = active;
+      }
+      if (active === "from") {
         onFromChange(Math.max(1, Math.min(idx, toIndex)));
       } else {
         onToChange(Math.min(n, Math.max(idx, fromIndex)));
       }
     },
     onPointerUp(e: React.PointerEvent<HTMLDivElement>) {
+      dragRef.current = null;
       (e.currentTarget as HTMLDivElement).releasePointerCapture(e.pointerId);
     },
   });
@@ -101,12 +114,12 @@ export function SlotDaySelector({ days, fromIndex, toIndex, onFromChange, onToCh
           <div
             className="map-pass-selector__thumb"
             style={{ left: `${fromPct}%` }}
-            {...makeHandlers(true)}
+            {...makeHandlers("from")}
           />
           <div
             className="map-pass-selector__thumb"
             style={{ left: `${toPct}%` }}
-            {...makeHandlers(false)}
+            {...makeHandlers("to")}
           />
         </div>
       </div>